src/nm-manager.c

   1 /* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
   2 /* NetworkManager -- Network link manager
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along
  15  * with this program; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  17  *
  18  * Copyright (C) 2007 - 2009 Novell, Inc.
  19  * Copyright (C) 2007 - 2012 Red Hat, Inc.
  20  */
  21
  22 #include "nm-default.h"
  23
  24 #include <stdlib.h>
  25 #include <fcntl.h>
  26 #include <errno.h>
  27 #include <string.h>
  28 #include <unistd.h>
  29
  30 #include "nm-manager.h"
  31 #include "nm-bus-manager.h"
  32 #include "nm-vpn-manager.h"
  33 #include "nm-device.h"
  34 #include "nm-device-generic.h"
  35 #include "nm-platform.h"
  36 #include "nm-rfkill-manager.h"
  37 #include "nm-dhcp-manager.h"
  38 #include "nm-settings.h"
  39 #include "nm-settings-connection.h"
  40 #include "nm-auth-utils.h"
  41 #include "nm-auth-manager.h"
  42 #include "NetworkManagerUtils.h"
  43 #include "nm-device-factory.h"
  44 #include "nm-enum-types.h"
  45 #include "nm-sleep-monitor.h"
  46 #include "nm-connectivity.h"
  47 #include "nm-policy.h"
  48 #include "nm-connection-provider.h"
  49 #include "nm-session-monitor.h"
  50 #include "nm-activation-request.h"
  51 #include "nm-core-internal.h"
  52 #include "nm-config.h"
  53 #include "nm-audit-manager.h"
  54 #include "nm-dbus-compat.h"
  55 #include "NetworkManagerUtils.h"
  56
  57 #include "nmdbus-manager.h"
  58 #include "nmdbus-device.h"
  59
  60 static gboolean add_device (NMManager *self, NMDevice *device, GError **error);
  61
  62 static NMActiveConnection *_new_active_connection (NMManager *self,
  63                                                    NMConnection *connection,
  64                                                    const char *specific_object,
  65                                                    NMDevice *device,
  66                                                    NMAuthSubject *subject,
  67                                                    GError **error);
  68
  69 static void policy_activating_device_changed (GObject *object, GParamSpec *pspec, gpointer user_data);
  70
  71 static void rfkill_change (const char *desc, RfKillType rtype, gboolean enabled);
  72
  73 static gboolean find_master (NMManager *self,
  74                              NMConnection *connection,
  75                              NMDevice *device,
  76                              NMSettingsConnection **out_master_connection,
  77                              NMDevice **out_master_device,
  78                              NMActiveConnection **out_master_ac,
  79                              GError **error);
  80
  81 static void nm_manager_update_state (NMManager *manager);
  82
  83 static void connection_changed (NMSettings *settings, NMConnection *connection,
  84                                 NMManager *manager);
  85
  86 #define TAG_ACTIVE_CONNETION_ADD_AND_ACTIVATE "act-con-add-and-activate"
  87
  88 typedef struct {
  89         gboolean user_enabled;
  90         gboolean sw_enabled;
  91         gboolean hw_enabled;
  92         RfKillType rtype;
  93         const char *desc;
  94         const char *key;
  95         const char *prop;
  96         const char *hw_prop;
  97 } RadioState;
  98
  99 typedef struct {
 100         char *state_file;
 101
 102         GSList *active_connections;
 103         GSList *authorizing_connections;
 104         guint ac_cleanup_id;
 105         NMActiveConnection *primary_connection;
 106         NMActiveConnection *activating_connection;
 107         NMMetered metered;
 108
 109         GSList *devices;
 110         NMState state;
 111         NMConfig *config;
 112         NMConnectivity *connectivity;
 113
 114         NMPolicy *policy;
 115
 116         NMBusManager  *dbus_mgr;
 117         struct {
 118                 GDBusConnection *connection;
 119                 guint            id;
 120         } prop_filter;
 121         NMRfkillManager *rfkill_mgr;
 122
 123         NMSettings *settings;
 124         char *hostname;
 125
 126         RadioState radio_states[RFKILL_TYPE_MAX];
 127         gboolean sleeping;
 128         gboolean net_enabled;
 129
 130         NMVpnManager *vpn_manager;
 131
 132         NMSleepMonitor *sleep_monitor;
 133
 134         GSList *auth_chains;
 135
 136         /* Firmware dir monitor */
 137         GFileMonitor *fw_monitor;
 138         guint fw_changed_id;
 139
 140         guint timestamp_update_id;
 141
 142         gboolean startup;
 143         gboolean devices_inited;
 144 } NMManagerPrivate;
 145
 146 #define NM_MANAGER_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), NM_TYPE_MANAGER, NMManagerPrivate))
 147
 148 G_DEFINE_TYPE (NMManager, nm_manager, NM_TYPE_EXPORTED_OBJECT)
 149
 150 enum {
 151         DEVICE_ADDED,
 152         INTERNAL_DEVICE_ADDED,
 153         DEVICE_REMOVED,
 154         INTERNAL_DEVICE_REMOVED,
 155         STATE_CHANGED,
 156         CHECK_PERMISSIONS,
 157         USER_PERMISSIONS_CHANGED,
 158         ACTIVE_CONNECTION_ADDED,
 159         ACTIVE_CONNECTION_REMOVED,
 160         CONFIGURE_QUIT,
 161
 162         LAST_SIGNAL
 163 };
 164
 165 static guint signals[LAST_SIGNAL] = { 0 };
 166
 167 enum {
 168         PROP_0,
 169         PROP_VERSION,
 170         PROP_STATE,
 171         PROP_STATE_FILE,
 172         PROP_STARTUP,
 173         PROP_NETWORKING_ENABLED,
 174         PROP_WIRELESS_ENABLED,
 175         PROP_WIRELESS_HARDWARE_ENABLED,
 176         PROP_WWAN_ENABLED,
 177         PROP_WWAN_HARDWARE_ENABLED,
 178         PROP_WIMAX_ENABLED,
 179         PROP_WIMAX_HARDWARE_ENABLED,
 180         PROP_ACTIVE_CONNECTIONS,
 181         PROP_CONNECTIVITY,
 182         PROP_PRIMARY_CONNECTION,
 183         PROP_PRIMARY_CONNECTION_TYPE,
 184         PROP_ACTIVATING_CONNECTION,
 185         PROP_DEVICES,
 186         PROP_METERED,
 187         PROP_GLOBAL_DNS_CONFIGURATION,
 188         PROP_ALL_DEVICES,
 189
 190         /* Not exported */
 191         PROP_HOSTNAME,
 192         PROP_SLEEPING,
 193
 194         LAST_PROP
 195 };
 196
 197 NM_DEFINE_SINGLETON_INSTANCE (NMManager);
 198
 199 /************************************************************************/
 200
 201 #define _NMLOG_PREFIX_NAME      "manager"
 202 #define _NMLOG(level, domain, ...) \
 203     G_STMT_START { \
 204         const NMLogLevel __level = (level); \
 205         const NMLogDomain __domain = (domain); \
 206         \
 207         if (nm_logging_enabled (__level, __domain)) { \
 208             const NMManager *const __self = (self); \
 209             char __sbuf[32]; \
 210             \
 211             _nm_log (__level, __domain, 0, \
 212                      "%s%s: " _NM_UTILS_MACRO_FIRST (__VA_ARGS__), \
 213                      _NMLOG_PREFIX_NAME, \
 214                      (__self && __self != singleton_instance) \
 215                          ? nm_sprintf_buf (__sbuf, "[%p]", __self) \
 216                          : "" \
 217                      _NM_UTILS_MACRO_REST (__VA_ARGS__)); \
 218         } \
 219     } G_STMT_END
 220
 221 /************************************************************************/
 222
 223 static void active_connection_state_changed (NMActiveConnection *active,
 224                                              GParamSpec *pspec,
 225                                              NMManager *self);
 226 static void active_connection_default_changed (NMActiveConnection *active,
 227                                                GParamSpec *pspec,
 228                                                NMManager *self);
 229 static void active_connection_parent_active (NMActiveConnection *active,
 230                                              NMActiveConnection *parent_ac,
 231                                              NMManager *self);
 232
 233 /* Returns: whether to notify D-Bus of the removal or not */
 234 static gboolean
 235 active_connection_remove (NMManager *self, NMActiveConnection *active)
 236 {
 237         NMManagerPrivate *priv = NM_MANAGER_GET_PRIVATE (self);
 238         gboolean notify = nm_exported_object_is_exported (NM_EXPORTED_OBJECT (active));
 239         GSList *found;
 240
 241         /* FIXME: switch to a GList for faster removal */
 242         found = g_slist_find (priv->active_connections, active);
 243         if (found) {
 244                 NMSettingsConnection *connection;
 245
 246                 priv->active_connections = g_slist_remove (priv->active_connections, active);
 247                 g_signal_emit (self, signals[ACTIVE_CONNECTION_REMOVED], 0, active);
 248                 g_signal_handlers_disconnect_by_func (active, active_connection_state_changed, self);
 249                 g_signal_handlers_disconnect_by_func (active, active_connection_default_changed, self);
 250                 g_signal_handlers_disconnect_by_func (active, active_connection_parent_active, self);
 251
 252                 if (   nm_active_connection_get_assumed (active)
 253                     && (connection = nm_active_connection_get_settings_connection (active))
 254                     && nm_settings_connection_get_nm_generated_assumed (connection))
 255                         g_object_ref (connection);
 256                 else
 257                         connection = NULL;
 258
 259                 nm_exported_object_clear_and_unexport (&active);
 260
 261                 if (   connection
 262                     && nm_settings_has_connection (priv->settings, connection)) {
 263                         _LOGD (LOGD_DEVICE, "assumed connection disconnected. Deleting generated connection '%s' (%s)",
 264                                nm_settings_connection_get_id (connection), nm_settings_connection_get_uuid (connection));
 265                         nm_settings_connection_delete (NM_SETTINGS_CONNECTION (connection), NULL, NULL);
 266                         g_object_unref (connection);
 267                 }
 268         }
 269
 270         return found && notify;
 271 }
 272
 273 static gboolean
 274 _active_connection_cleanup (gpointer user_data)
 275 {
 276         NMManager *self = NM_MANAGER (user_data);
 277         NMManagerPrivate *priv = NM_MANAGER_GET_PRIVATE (self);
 278         GSList *iter;
 279
 280         priv->ac_cleanup_id = 0;
 281
 282         g_object_freeze_notify (G_OBJECT (self));
 283         iter = priv->active_connections;
 284         while (iter) {
 285                 NMActiveConnection *ac = iter->data;
 286
 287                 iter = iter->next;
 288                 if (nm_active_connection_get_state (ac) == NM_ACTIVE_CONNECTION_STATE_DEACTIVATED) {
 289                         if (active_connection_remove (self, ac))
 290                                 g_object_notify (G_OBJECT (self), NM_MANAGER_ACTIVE_CONNECTIONS);
 291                 }
 292         }
 293         g_object_thaw_notify (G_OBJECT (self));
 294
 295         return FALSE;
 296 }
 297
 298 static void
 299 active_connection_state_changed (NMActiveConnection *active,
 300                                  GParamSpec *pspec,
 301                                  NMManager *self)
 302 {
 303         NMManagerPrivate *priv = NM_MANAGER_GET_PRIVATE (self);
 304         NMActiveConnectionState state;
 305
 306         state = nm_active_connection_get_state (active);
 307         if (state == NM_ACTIVE_CONNECTION_STATE_DEACTIVATED) {
 308                 /* Destroy active connections from an idle handler to ensure that
 309                  * their last property change notifications go out, which wouldn't
 310                  * happen if we destroyed them immediately when their state was set
 311                  * to DEACTIVATED.
 312                  */
 313                 if (!priv->ac_cleanup_id)
 314                         priv->ac_cleanup_id = g_idle_add (_active_connection_cleanup, self);
 315         }
 316
 317         nm_manager_update_state (self);
 318 }
 319
 320 static void
 321 active_connection_default_changed (NMActiveConnection *active,
 322                                    GParamSpec *pspec,
 323                                    NMManager *self)
 324 {
 325         nm_manager_update_state (self);
 326 }
 327
 328 /**
 329  * active_connection_add():
 330  * @self: the #NMManager
 331  * @active: the #NMActiveConnection to manage
 332  *
 333  * Begins to track and manage @active.  Increases the refcount of @active.
 334  */
 335 static void
 336 active_connection_add (NMManager *self, NMActiveConnection *active)
 337 {
 338         NMManagerPrivate *priv = NM_MANAGER_GET_PRIVATE (self);
 339
 340         g_return_if_fail (g_slist_find (priv->active_connections, active) == FALSE);
 341
 342         priv->active_connections = g_slist_prepend (priv->active_connections,
 343                                                     g_object_ref (active));
 344
 345         g_signal_connect (active,
 346                           "notify::" NM_ACTIVE_CONNECTION_STATE,
 347                           G_CALLBACK (active_connection_state_changed),
 348                           self);
 349         g_signal_connect (active,
 350                           "notify::" NM_ACTIVE_CONNECTION_DEFAULT,
 351                           G_CALLBACK (active_connection_default_changed),
 352                           self);
 353         g_signal_connect (active,
 354                           "notify::" NM_ACTIVE_CONNECTION_DEFAULT6,
 355                           G_CALLBACK (active_connection_default_changed),
 356                           self);
 357
 358         g_signal_emit (self, signals[ACTIVE_CONNECTION_ADDED], 0, active);
 359
 360         /* Only notify D-Bus if the active connection is actually exported */
 361         if (nm_exported_object_is_exported (NM_EXPORTED_OBJECT (active)))
 362                 g_object_notify (G_OBJECT (self), NM_MANAGER_ACTIVE_CONNECTIONS);
 363 }
 364
 365 const GSList *
 366 nm_manager_get_active_connections (NMManager *manager)
 367 {
 368         return NM_MANAGER_GET_PRIVATE (manager)->active_connections;
 369 }
 370
 371 static NMActiveConnection *
 372 find_ac_for_connection (NMManager *manager, NMConnection *connection)
 373 {
 374         NMManagerPrivate *priv = NM_MANAGER_GET_PRIVATE (manager);
 375         GSList *iter;
 376         const char *uuid = NULL;
 377         gboolean is_settings_connection;
 378
 379         is_settings_connection = NM_IS_SETTINGS_CONNECTION (connection);
 380
 381         if (!is_settings_connection)
 382                 uuid = nm_connection_get_uuid (connection);
 383
 384         for (iter = priv->active_connections; iter; iter = iter->next) {
 385                 NMActiveConnection *ac = iter->data;
 386                 NMSettingsConnection *con;
 387
 388                 con = nm_active_connection_get_settings_connection (ac);
 389
 390                 /* depending on whether we have a NMSettingsConnection or a NMConnection,
 391                  * we lookup by UUID or by reference. */
 392                 if (is_settings_connection) {
 393                         if (con != (NMSettingsConnection *) connection)
 394                                 continue;
 395                 } else {
 396                         if (strcmp (uuid, nm_connection_get_uuid (NM_CONNECTION (con))) != 0)
 397                                 continue;
 398                 }
 399                 if (nm_active_connection_get_state (ac) < NM_ACTIVE_CONNECTION_STATE_DEACTIVATED)
 400                         return ac;
 401         }
 402
 403         return NULL;
 404 }
 405
 406 /* Filter out connections that are already active.
 407  * nm_settings_get_connections() returns sorted list. We need to preserve the
 408  * order so that we didn't change auto-activation order (recent timestamps
 409  * are first).
 410  * Caller is responsible for freeing the returned list with g_slist_free().
 411  */
 412 GSList *
 413 nm_manager_get_activatable_connections (NMManager *manager)
 414 {
 415         NMManagerPrivate *priv = NM_MANAGER_GET_PRIVATE (manager);
 416         GSList *all_connections = nm_settings_get_connections (priv->settings);
 417         GSList *connections = NULL, *iter;
 418         NMSettingsConnection *connection;
 419
 420         for (iter = all_connections; iter; iter = iter->next) {
 421                 connection = iter->data;
 422
 423                 if (!find_ac_for_connection (manager, NM_CONNECTION (connection)))
 424                         connections = g_slist_prepend (connections, connection);
 425         }
 426
 427         g_slist_free (all_connections);
 428         return g_slist_reverse (connections);
 429 }
 430
 431 static NMActiveConnection *
 432 active_connection_get_by_path (NMManager *manager, const char *path)
 433 {
 434         NMManagerPrivate *priv = NM_MANAGER_GET_PRIVATE (manager);
 435         GSList *iter;
 436
 437         g_return_val_if_fail (manager != NULL, NULL);
 438         g_return_val_if_fail (path != NULL, NULL);
 439
 440         for (iter = priv->active_connections; iter; iter = g_slist_next (iter)) {
 441                 NMActiveConnection *candidate = iter->data;
 442
 443                 if (g_strcmp0 (path, nm_exported_object_get_path (NM_EXPORTED_OBJECT (candidate))) == 0)
 444                         return candidate;
 445         }
 446         return NULL;
 447 }
 448
 449 /************************************************************************/
 450
 451 static void
 452 _config_changed_cb (NMConfig *config, NMConfigData *config_data, NMConfigChangeFlags changes, NMConfigData *old_data, NMManager *self)
 453 {
 454         g_object_set (NM_MANAGER_GET_PRIVATE (self)->connectivity,
 455                       NM_CONNECTIVITY_URI, nm_config_data_get_connectivity_uri (config_data),
 456                       NM_CONNECTIVITY_INTERVAL, nm_config_data_get_connectivity_interval (config_data),
 457                       NM_CONNECTIVITY_RESPONSE, nm_config_data_get_connectivity_response (config_data),
 458                       NULL);
 459
 460         if (NM_FLAGS_HAS (changes, NM_CONFIG_CHANGE_GLOBAL_DNS_CONFIG))
 461                 g_object_notify (G_OBJECT (self), NM_MANAGER_GLOBAL_DNS_CONFIGURATION);
 462 }
 463
 464 /************************************************************************/
 465
 466 static NMDevice *
 467 nm_manager_get_device_by_path (NMManager *manager, const char *path)
 468 {
 469         GSList *iter;
 470
 471         g_return_val_if_fail (path != NULL, NULL);
 472
 473         for (iter = NM_MANAGER_GET_PRIVATE (manager)->devices; iter; iter = iter->next) {
 474                 if (!strcmp (nm_exported_object_get_path (NM_EXPORTED_OBJECT (iter->data)), path))
 475                         return NM_DEVICE (iter->data);
 476         }
 477         return NULL;
 478 }
 479
 480 NMDevice *
 481 nm_manager_get_device_by_ifindex (NMManager *manager, int ifindex)
 482 {
 483         GSList *iter;
 484
 485         for (iter = NM_MANAGER_GET_PRIVATE (manager)->devices; iter; iter = iter->next) {
 486                 NMDevice *device = NM_DEVICE (iter->data);
 487
 488                 if (nm_device_get_ifindex (device) == ifindex)
 489                         return device;
 490         }
 491
 492         return NULL;
 493 }
 494
 495 static NMDevice *
 496 find_device_by_hw_addr (NMManager *manager, const char *hwaddr)
 497 {
 498         GSList *iter;
 499         const char *device_addr;
 500
 501         g_return_val_if_fail (hwaddr != NULL, NULL);
 502
 503         if (nm_utils_hwaddr_valid (hwaddr, -1)) {
 504                 for (iter = NM_MANAGER_GET_PRIVATE (manager)->devices; iter; iter = iter->next) {
 505                         device_addr = nm_device_get_hw_address (NM_DEVICE (iter->data));
 506                         if (device_addr && nm_utils_hwaddr_matches (hwaddr, -1, device_addr, -1))
 507                                 return NM_DEVICE (iter->data);
 508                 }
 509         }
 510         return NULL;
 511 }
 512
 513 static NMDevice *
 514 find_device_by_ip_iface (NMManager *self, const gchar *iface)
 515 {
 516         GSList *iter;
 517
 518         g_return_val_if_fail (iface != NULL, NULL);
 519
 520         for (iter = NM_MANAGER_GET_PRIVATE (self)->devices; iter; iter = g_slist_next (iter)) {
 521                 NMDevice *candidate = iter->data;
 522
 523                 if (   nm_device_is_real (candidate)
 524                     && g_strcmp0 (nm_device_get_ip_iface (candidate), iface) == 0)
 525                         return candidate;
 526         }
 527         return NULL;
 528 }
 529
 530 /**
 531  * find_device_by_iface:
 532  * @self: the #NMManager
 533  * @iface: the device interface to find
 534  * @connection: a connection to ensure the returned device is compatible with
 535  * @slave: a slave connection to ensure a master is compatible with
 536  *
 537  * Finds a device by interface name, preferring realized devices.  If @slave
 538  * is given, this function will only return master devices and will ensure
 539  * @slave, when activated, can be a slave of the returned master device.  If
 540  * @connection is given, this function will only consider devices that are
 541  * compatible with @connection.
 542  *
 543  * Returns: the matching #NMDevice
 544  */
 545 static NMDevice *
 546 find_device_by_iface (NMManager *self,
 547                       const char *iface,
 548                       NMConnection *connection,
 549                       NMConnection *slave)
 550 {
 551         NMManagerPrivate *priv = NM_MANAGER_GET_PRIVATE (self);
 552         NMDevice *fallback = NULL;
 553         GSList *iter;
 554
 555         g_return_val_if_fail (iface != NULL, NULL);
 556
 557         for (iter = priv->devices; iter; iter = iter->next) {
 558                 NMDevice *candidate = iter->data;
 559
 560                 if (strcmp (nm_device_get_iface (candidate), iface))
 561                         continue;
 562                 if (connection && !nm_device_check_connection_compatible (candidate, connection))
 563                         continue;
 564                 if (slave) {
 565                         if (!nm_device_is_master (candidate))
 566                                 continue;
 567                         if (!nm_device_check_slave_connection_compatible (candidate, slave))
 568                                 continue;
 569                 }
 570
 571                 if (nm_device_is_real (candidate))
 572                         return candidate;
 573                 else if (!fallback)
 574                         fallback = candidate;
 575         }
 576         return fallback;
 577 }
 578
 579 static gboolean
 580 manager_sleeping (NMManager *self)
 581 {
 582         NMManagerPrivate *priv = NM_MANAGER_GET_PRIVATE (self);
 583
 584         if (priv->sleeping || !priv->net_enabled)
 585                 return TRUE;
 586         return FALSE;
 587 }
 588
 589 static const char *
 590 _nm_state_to_string (NMState state)
 591 {
 592         switch (state) {
 593         case NM_STATE_ASLEEP:
 594                 return "ASLEEP";
 595         case NM_STATE_DISCONNECTED:
 596                 return "DISCONNECTED";
 597         case NM_STATE_DISCONNECTING:
 598                 return "DISCONNECTING";
 599         case NM_STATE_CONNECTING:
 600                 return "CONNECTING";
 601         case NM_STATE_CONNECTED_LOCAL:
 602                 return "CONNECTED_LOCAL";
 603         case NM_STATE_CONNECTED_SITE:
 604                 return "CONNECTED_SITE";
 605         case NM_STATE_CONNECTED_GLOBAL:
 606                 return "CONNECTED_GLOBAL";
 607         case NM_STATE_UNKNOWN:
 608         default:
 609                 return "UNKNOWN";
 610         }
 611 }
 612
 613 static void
 614 set_state (NMManager *self, NMState state)
 615 {
 616         NMManagerPrivate *priv = NM_MANAGER_GET_PRIVATE (self);
 617
 618         if (priv->state == state)
 619                 return;
 620
 621         priv->state = state;
 622
 623         _LOGI (LOGD_CORE, "NetworkManager state is now %s", _nm_state_to_string (state));
 624
 625         g_object_notify (G_OBJECT (self), NM_MANAGER_STATE);
 626         g_signal_emit (self, signals[STATE_CHANGED], 0, priv->state);
 627 }
 628
 629 static void
 630 checked_connectivity (GObject *object, GAsyncResult *result, gpointer user_data)
 631 {
 632         NMManager *manager = user_data;
 633         NMManagerPrivate *priv = NM_MANAGER_GET_PRIVATE (manager);
 634         NMConnectivityState connectivity;
 635
 636         if (priv->state == NM_STATE_CONNECTING || priv->state == NM_STATE_CONNECTED_SITE) {
 637                 connectivity = nm_connectivity_check_finish (priv->connectivity, result, NULL);
 638
 639                 if (connectivity == NM_CONNECTIVITY_FULL)
 640                         set_state (manager, NM_STATE_CONNECTED_GLOBAL);
 641                 else if (   connectivity == NM_CONNECTIVITY_PORTAL
 642                          || connectivity == NM_CONNECTIVITY_LIMITED)
 643                         set_state (manager, NM_STATE_CONNECTED_SITE);
 644                 g_object_notify (G_OBJECT (manager), NM_MANAGER_CONNECTIVITY);
 645         }
 646
 647         g_object_unref (manager);
 648 }
 649
 650 static NMState
 651 find_best_device_state (NMManager *manager)
 652 {
 653         NMManagerPrivate *priv = NM_MANAGER_GET_PRIVATE (manager);
 654         NMState best_state = NM_STATE_DISCONNECTED;
 655         GSList *iter;
 656
 657         for (iter = priv->active_connections; iter; iter = iter->next) {
 658                 NMActiveConnection *ac = NM_ACTIVE_CONNECTION (iter->data);
 659                 NMActiveConnectionState ac_state = nm_active_connection_get_state (ac);
 660
 661                 switch (ac_state) {
 662                 case NM_ACTIVE_CONNECTION_STATE_ACTIVATED:
 663                         if (   nm_active_connection_get_default (ac)
 664                             || nm_active_connection_get_default6 (ac)) {
 665                                 if (nm_connectivity_get_state (priv->connectivity) == NM_CONNECTIVITY_FULL)
 666                                         return NM_STATE_CONNECTED_GLOBAL;
 667
 668                                 best_state = NM_STATE_CONNECTED_SITE;
 669                         } else {
 670                                 if (best_state < NM_STATE_CONNECTING)
 671                                         best_state = NM_STATE_CONNECTED_LOCAL;
 672                         }
 673                         break;
 674                 case NM_ACTIVE_CONNECTION_STATE_ACTIVATING:
 675                         if (!nm_active_connection_get_assumed (ac)) {
 676                                 if (best_state != NM_STATE_CONNECTED_GLOBAL)
 677                                         best_state = NM_STATE_CONNECTING;
 678                         }
 679                         break;
 680                 case NM_ACTIVE_CONNECTION_STATE_DEACTIVATING:
 681                         if (!nm_active_connection_get_assumed (ac)) {
 682                                 if (best_state < NM_STATE_DISCONNECTING)
 683                                         best_state = NM_STATE_DISCONNECTING;
 684                         }
 685                         break;
 686                 default:
 687                         break;
 688                 }
 689         }
 690
 691         return best_state;
 692 }
 693
 694 static void
 695 nm_manager_update_metered (NMManager *self)
 696 {
 697         NMManagerPrivate *priv;
 698         NMDevice *device;
 699         NMMetered value = NM_METERED_UNKNOWN;
 700
 701         g_return_if_fail (NM_IS_MANAGER (self));
 702         priv = NM_MANAGER_GET_PRIVATE (self);
 703
 704         if (priv->primary_connection) {
 705                 device =  nm_active_connection_get_device (priv->primary_connection);
 706                 if (device)
 707                         value = nm_device_get_metered (device);
 708         }
 709
 710         if (value != priv->metered) {
 711                 priv->metered = value;
 712                 _LOGD (LOGD_CORE, "new metered value: %d", (int) priv->metered);
 713                 g_object_notify (G_OBJECT (self), NM_MANAGER_METERED);
 714         }
 715 }
 716
 717 static void
 718 nm_manager_update_state (NMManager *manager)
 719 {
 720         NMManagerPrivate *priv;
 721         NMState new_state = NM_STATE_DISCONNECTED;
 722
 723         g_return_if_fail (NM_IS_MANAGER (manager));
 724
 725         priv = NM_MANAGER_GET_PRIVATE (manager);
 726
 727         if (manager_sleeping (manager))
 728                 new_state = NM_STATE_ASLEEP;
 729         else
 730                 new_state = find_best_device_state (manager);
 731
 732         nm_connectivity_set_online (priv->connectivity, new_state >= NM_STATE_CONNECTED_LOCAL);
 733
 734         if (new_state == NM_STATE_CONNECTED_SITE) {
 735                 nm_connectivity_check_async (priv->connectivity,
 736                                              checked_connectivity,
 737                                              g_object_ref (manager));
 738         }
 739
 740         set_state (manager, new_state);
 741 }
 742
 743 static void
 744 manager_device_state_changed (NMDevice *device,
 745                               NMDeviceState new_state,
 746                               NMDeviceState old_state,
 747                               NMDeviceStateReason reason,
 748                               gpointer user_data)
 749 {
 750         NMManager *self = NM_MANAGER (user_data);
 751         NMManagerPrivate *priv = NM_MANAGER_GET_PRIVATE (self);
 752
 753         switch (new_state) {
 754         case NM_DEVICE_STATE_UNMANAGED:
 755         case NM_DEVICE_STATE_UNAVAILABLE:
 756         case NM_DEVICE_STATE_DISCONNECTED:
 757         case NM_DEVICE_STATE_PREPARE:
 758         case NM_DEVICE_STATE_FAILED:
 759                 g_object_notify (G_OBJECT (self), NM_MANAGER_ACTIVE_CONNECTIONS);
 760                 break;
 761         default:
 762                 break;
 763         }
 764
 765         if (   new_state == NM_DEVICE_STATE_UNAVAILABLE
 766             || new_state == NM_DEVICE_STATE_DISCONNECTED)
 767                 nm_settings_device_added (priv->settings, device);
 768 }
 769
 770 static void device_has_pending_action_changed (NMDevice *device,
 771                                                GParamSpec *pspec,
 772                                                NMManager *self);
 773
 774 static void
 775 check_if_startup_complete (NMManager *self)
 776 {
 777         NMManagerPrivate *priv = NM_MANAGER_GET_PRIVATE (self);
 778         GSList *iter;
 779
 780         if (!priv->startup)
 781                 return;
 782
 783         if (!priv->devices_inited)
 784                 return;
 785
 786         if (!nm_settings_get_startup_complete (priv->settings)) {
 787                 _LOGD (LOGD_CORE, "check_if_startup_complete returns FALSE because of NMSettings");
 788                 return;
 789         }
 790
 791         for (iter = priv->devices; iter; iter = iter->next) {
 792                 NMDevice *dev = iter->data;
 793
 794                 if (nm_device_has_pending_action (dev)) {
 795                         _LOGD (LOGD_CORE, "check_if_startup_complete returns FALSE because of %s",
 796                                nm_device_get_iface (dev));
 797                         return;
 798                 }
 799         }
 800
 801         _LOGI (LOGD_CORE, "startup complete");
 802
 803         priv->startup = FALSE;
 804         g_object_notify (G_OBJECT (self), "startup");
 805
 806         /* We don't have to watch notify::has-pending-action any more. */
 807         for (iter = priv->devices; iter; iter = iter->next) {
 808                 NMDevice *dev = iter->data;
 809
 810                 g_signal_handlers_disconnect_by_func (dev, G_CALLBACK (device_has_pending_action_changed), self);
 811         }
 812
 813         if (nm_config_get_configure_and_quit (nm_config_get ()))
 814                 g_signal_emit (self, signals[CONFIGURE_QUIT], 0);
 815 }
 816
 817 static void
 818 device_has_pending_action_changed (NMDevice *device,
 819                                    GParamSpec *pspec,
 820                                    NMManager *self)
 821 {
 822         check_if_startup_complete (self);
 823 }
 824
 825 static void
 826 settings_startup_complete_changed (NMSettings *settings,
 827                                    GParamSpec *pspec,
 828                                    NMManager *self)
 829 {
 830         check_if_startup_complete (self);
 831 }
 832
 833 static void
 834 remove_device (NMManager *self,
 835                NMDevice *device,
 836                gboolean quitting,
 837                gboolean allow_unmanage)
 838 {
 839         NMManagerPrivate *priv = NM_MANAGER_GET_PRIVATE (self);
 840
 841         _LOGD (LOGD_DEVICE, "(%s): removing device (allow_unmanage %d, managed %d)",
 842                nm_device_get_iface (device), allow_unmanage, nm_device_get_managed (device, FALSE));
 843
 844         if (allow_unmanage && nm_device_get_managed (device, FALSE)) {
 845                 NMActRequest *req = nm_device_get_act_request (device);
 846                 gboolean unmanage = FALSE;
 847
 848                 /* Leave activated interfaces up when quitting so their configuration
 849                  * can be taken over when NM restarts.  This ensures connectivity while
 850                  * NM is stopped. Devices which do not support connection assumption
 851                  * cannot be left up.
 852                  */
 853                 if (!quitting)  /* Forced removal; device already gone */
 854                         unmanage = TRUE;
 855                 else if (!nm_device_can_assume_active_connection (device))
 856                         unmanage = TRUE;
 857                 else if (!req)
 858                         unmanage = TRUE;
 859
 860                 if (unmanage) {
 861                         if (quitting)
 862                                 nm_device_set_unmanaged_by_quitting (device);
 863                         else
 864                                 nm_device_set_unmanaged_by_flags (device, NM_UNMANAGED_PLATFORM_INIT, TRUE, NM_DEVICE_STATE_REASON_REMOVED);
 865                 } else if (quitting && nm_config_get_configure_and_quit (nm_config_get ())) {
 866                         nm_device_spawn_iface_helper (device);
 867                 }
 868         }
 869
 870         g_signal_handlers_disconnect_matched (device, G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, self);
 871
 872         nm_settings_device_removed (priv->settings, device, quitting);
 873         priv->devices = g_slist_remove (priv->devices, device);
 874
 875         if (nm_device_is_real (device)) {
 876                 g_signal_emit (self, signals[DEVICE_REMOVED], 0, device);
 877                 g_object_notify (G_OBJECT (self), NM_MANAGER_DEVICES);
 878                 nm_device_removed (device);
 879         }
 880         g_signal_emit (self, signals[INTERNAL_DEVICE_REMOVED], 0, device);
 881         g_object_notify (G_OBJECT (self), NM_MANAGER_ALL_DEVICES);
 882
 883         nm_exported_object_clear_and_unexport (&device);
 884
 885         check_if_startup_complete (self);
 886 }
 887
 888 static void
 889 device_removed_cb (NMDevice *device, gpointer user_data)
 890 {
 891         remove_device (NM_MANAGER (user_data), device, FALSE, TRUE);
 892 }
 893
 894 NMState
 895 nm_manager_get_state (NMManager *manager)
 896 {
 897         g_return_val_if_fail (NM_IS_MANAGER (manager), NM_STATE_UNKNOWN);
 898
 899         return NM_MANAGER_GET_PRIVATE (manager)->state;
 900 }
 901
 902 /***************************/
 903
 904 static NMDevice *
 905 find_parent_device_for_connection (NMManager *self, NMConnection *connection, NMDeviceFactory *cached_factory)
 906 {
 907         NMManagerPrivate *priv = NM_MANAGER_GET_PRIVATE (self);
 908         NMDeviceFactory *factory;
 909         const char *parent_name = NULL;
 910         NMSettingsConnection *parent_connection;
 911         NMDevice *parent, *first_compatible = NULL;
 912         GSList *iter;
 913
 914         g_return_val_if_fail (NM_IS_CONNECTION (connection), NULL);
 915
 916         if (!cached_factory) {
 917                 factory = nm_device_factory_manager_find_factory_for_connection (connection);
 918                 if (!factory)
 919                         return NULL;
 920         } else
 921                 factory = cached_factory;
 922
 923         parent_name = nm_device_factory_get_connection_parent (factory, connection);
 924         if (!parent_name)
 925                 return NULL;
 926
 927         /* Try as an interface name of a parent device */
 928         parent = find_device_by_iface (self, parent_name, NULL, NULL);
 929         if (parent)
 930                 return parent;
 931
 932         /* Maybe a hardware address */
 933         parent = find_device_by_hw_addr (self, parent_name);
 934         if (parent)
 935                 return parent;
 936
 937         /* Maybe a connection UUID */
 938         parent_connection = nm_settings_get_connection_by_uuid (priv->settings, parent_name);
 939         if (!parent_connection)
 940                 return NULL;
 941
 942         /* Check if the parent connection is currently activated or is comaptible
 943          * with some known device.
 944          */
 945         for (iter = priv->devices; iter; iter = iter->next) {
 946                 NMDevice *candidate = iter->data;
 947
 948                 if (nm_device_get_settings_connection (candidate) == parent_connection)
 949                         return candidate;
 950
 951                 if (   !first_compatible
 952                     && nm_device_check_connection_compatible (candidate, NM_CONNECTION (parent_connection)))
 953                         first_compatible = candidate;
 954         }
 955
 956         return first_compatible;
 957 }
 958
 959 /**
 960  * nm_manager_get_connection_iface:
 961  * @self: the #NMManager
 962  * @connection: the #NMConnection to get the interface for
 963  * @out_parent: on success, the parent device if any
 964  * @error: an error if determining the virtual interface name failed
 965  *
 966  * Given @connection, returns the interface name that the connection
 967  * would need to use when activated. %NULL is returned if the name
 968  * is not specified in connection or a the name for a virtual device
 969  * could not be generated.
 970  *
 971  * Returns: the expected interface name (caller takes ownership), or %NULL
 972  */
 973 char *
 974 nm_manager_get_connection_iface (NMManager *self,
 975                                  NMConnection *connection,
 976                                  NMDevice **out_parent,
 977                                  GError **error)
 978 {
 979         NMDeviceFactory *factory;
 980         char *iface = NULL;
 981         NMDevice *parent = NULL;
 982
 983         if (out_parent)
 984                 *out_parent = NULL;
 985
 986         factory = nm_device_factory_manager_find_factory_for_connection (connection);
 987         if (!factory) {
 988                 g_set_error (error,
 989                              NM_MANAGER_ERROR,
 990                              NM_MANAGER_ERROR_FAILED,
 991                              "NetworkManager plugin for '%s' unavailable",
 992                              nm_connection_get_connection_type (connection));
 993                 return NULL;
 994         }
 995
 996         if (   !out_parent
 997             && !NM_DEVICE_FACTORY_GET_INTERFACE (factory)->get_connection_iface) {
 998                 /* optimization. Shortcut lookup of the partent device. */
 999                 iface = g_strdup (nm_connection_get_interface_name (connection));
1000                 if (!iface) {
1001                         g_set_error (error,
1002                                      NM_MANAGER_ERROR,
1003                                      NM_MANAGER_ERROR_FAILED,
1004                                      "failed to determine interface name: error determine name for %s",
1005                                      nm_connection_get_connection_type (connection));
1006                 }
1007                 return iface;
1008         }
1009
1010         parent = find_parent_device_for_connection (self, connection, factory);
1011         iface = nm_device_factory_get_connection_iface (factory,
1012                                                         connection,
1013                                                         parent ? nm_device_get_ip_iface (parent) : NULL,
1014                                                         error);
1015         if (!iface)
1016                 return NULL;
1017
1018         if (out_parent)
1019                 *out_parent = parent;
1020         return iface;
1021 }
1022
1023 /**
1024  * system_create_virtual_device:
1025  * @self: the #NMManager
1026  * @connection: the connection which might require a virtual device
1027  *
1028  * If @connection requires a virtual device and one does not yet exist for it,
1029  * creates that device.
1030  *
1031  * Returns: A #NMDevice that was just realized; %NULL if none
1032  */
1033 static NMDevice *
1034 system_create_virtual_device (NMManager *self, NMConnection *connection)
1035 {
1036         NMManagerPrivate *priv = NM_MANAGER_GET_PRIVATE (self);
1037         NMDeviceFactory *factory;
1038         gs_free_slist GSList *connections = NULL;
1039         GSList *iter;
1040         gs_free char *iface = NULL;
1041         NMDevice *device = NULL, *parent = NULL;
1042         GError *error = NULL;
1043
1044         g_return_val_if_fail (NM_IS_MANAGER (self), NULL);
1045         g_return_val_if_fail (NM_IS_CONNECTION (connection), NULL);
1046
1047         iface = nm_manager_get_connection_iface (self, connection, &parent, &error);
1048         if (!iface) {
1049                 _LOGD (LOGD_DEVICE, "(%s) can't get a name of a virtual device: %s",
1050                        nm_connection_get_id (connection), error->message);
1051                 g_error_free (error);
1052                 return NULL;
1053         }
1054
1055         /* See if there's a device that is already compatible with this connection */
1056         for (iter = priv->devices; iter; iter = g_slist_next (iter)) {
1057                 NMDevice *candidate = iter->data;
1058
1059                 if (nm_device_check_connection_compatible (candidate, connection)) {
1060                         if (nm_device_is_real (candidate)) {
1061                                 _LOGD (LOGD_DEVICE, "(%s) already created virtual interface name %s",
1062                                        nm_connection_get_id (connection), iface);
1063                                 return NULL;
1064                         }
1065
1066                         device = candidate;
1067                         break;
1068                 }
1069         }
1070
1071         if (!device) {
1072                 /* No matching device found. Proceed creating a new one. */
1073
1074                 factory = nm_device_factory_manager_find_factory_for_connection (connection);
1075                 if (!factory) {
1076                         _LOGE (LOGD_DEVICE, "(%s:%s) NetworkManager plugin for '%s' unavailable",
1077                                nm_connection_get_id (connection), iface,
1078                                nm_connection_get_connection_type (connection));
1079                         return NULL;
1080                 }
1081
1082                 device = nm_device_factory_create_device (factory, iface, NULL, connection, NULL, &error);
1083                 if (!device) {
1084                         _LOGW (LOGD_DEVICE, "(%s) factory can't create the device: %s",
1085                                nm_connection_get_id (connection), error->message);
1086                         g_error_free (error);
1087                         return NULL;
1088                 }
1089
1090                 _LOGD (LOGD_DEVICE, "(%s) create virtual device %s",
1091                        nm_connection_get_id (connection),
1092                        nm_device_get_iface (device));
1093
1094                 if (!add_device (self, device, &error)) {
1095                         _LOGW (LOGD_DEVICE, "(%s) can't register the device with manager: %s",
1096                                nm_connection_get_id (connection), error->message);
1097                         g_error_free (error);
1098                         g_object_unref (device);
1099                         return NULL;
1100                 }
1101
1102                 /* Add device takes a reference that NMManager still owns, so it's
1103                  * safe to unref here and still return @device.
1104                  */
1105                 g_object_unref (device);
1106         }
1107
1108         /* Create backing resources if the device has any autoconnect connections */
1109         connections = nm_settings_get_connections (priv->settings);
1110         for (iter = connections; iter; iter = g_slist_next (iter)) {
1111                 NMConnection *candidate = iter->data;
1112                 NMSettingConnection *s_con;
1113
1114                 if (!nm_device_check_connection_compatible (device, candidate))
1115                         continue;
1116
1117                 s_con = nm_connection_get_setting_connection (candidate);
1118                 g_assert (s_con);
1119                 if (!nm_setting_connection_get_autoconnect (s_con))
1120                         continue;
1121
1122                 /* Create any backing resources the device needs */
1123                 if (!nm_device_create_and_realize (device, connection, parent, &error)) {
1124                         _LOGW (LOGD_DEVICE, "(%s) couldn't create the device: %s",
1125                                nm_connection_get_id (connection), error->message);
1126                         g_error_free (error);
1127                         remove_device (self, device, FALSE, TRUE);
1128                         return NULL;
1129                 }
1130                 break;
1131         }
1132
1133         return device;
1134 }
1135
1136 static void
1137 retry_connections_for_parent_device (NMManager *self, NMDevice *device)
1138 {
1139         NMManagerPrivate *priv = NM_MANAGER_GET_PRIVATE (self);
1140         GSList *connections, *iter;
1141
1142         g_return_if_fail (device);
1143
1144         connections = nm_settings_get_connections (priv->settings);
1145         for (iter = connections; iter; iter = g_slist_next (iter)) {
1146                 NMConnection *candidate = iter->data;
1147                 gs_free_error GError *error = NULL;
1148                 gs_free char *ifname = NULL;
1149                 NMDevice *parent;
1150
1151                 parent = find_parent_device_for_connection (self, candidate, NULL);
1152                 if (parent == device) {
1153                         /* Only try to activate devices that don't already exist */
1154                         ifname = nm_manager_get_connection_iface (self, candidate, &parent, &error);
1155                         if (ifname) {
1156                                 if (!nm_platform_link_get_by_ifname (NM_PLATFORM_GET, ifname))
1157                                         connection_changed (priv->settings, candidate, self);
1158                         }
1159                 }
1160         }
1161
1162         g_slist_free (connections);
1163 }
1164
1165 static void
1166 connection_changed (NMSettings *settings,
1167                     NMConnection *connection,
1168                     NMManager *manager)
1169 {
1170         NMDevice *device;
1171
1172         if (!nm_connection_is_virtual (connection))
1173                 return;
1174
1175         device = system_create_virtual_device (manager, connection);
1176         if (!device)
1177                 return;
1178
1179         /* Maybe the device that was created was needed by some other
1180          * connection's device (parent of a VLAN). Let the connections
1181          * can use the newly created device as a parent know. */
1182         retry_connections_for_parent_device (manager, device);
1183 }
1184
1185 static void
1186 connection_removed (NMSettings *settings,
1187                     NMSettingsConnection *connection,
1188                     NMManager *manager)
1189 {
1190         /*
1191          * Do not delete existing virtual devices to keep connectivity up.
1192          * Virtual devices are reused when NetworkManager is restarted.
1193          */
1194 }
1195
1196 static void
1197 system_unmanaged_devices_changed_cb (NMSettings *settings,
1198                                      GParamSpec *pspec,
1199                                      gpointer user_data)
1200 {
1201         NMManager *self = NM_MANAGER (user_data);
1202         NMManagerPrivate *priv = NM_MANAGER_GET_PRIVATE (self);
1203         const GSList *unmanaged_specs, *iter;
1204
1205         unmanaged_specs = nm_settings_get_unmanaged_specs (priv->settings);
1206         for (iter = priv->devices; iter; iter = g_slist_next (iter))
1207                 nm_device_set_unmanaged_by_user_config (NM_DEVICE (iter->data), unmanaged_specs);
1208 }
1209
1210 static void
1211 system_hostname_changed_cb (NMSettings *settings,
1212                             GParamSpec *pspec,
1213                             gpointer user_data)
1214 {
1215         NMManager *self = NM_MANAGER (user_data);
1216         NMManagerPrivate *priv = NM_MANAGER_GET_PRIVATE (self);
1217         char *hostname;
1218
1219         hostname = nm_settings_get_hostname (priv->settings);
1220
1221         /* nm_settings_get_hostname() does not return an empty hostname. */
1222         nm_assert (!hostname || *hostname);
1223
1224         if (!hostname && !priv->hostname)
1225                 return;
1226         if (hostname && priv->hostname && !strcmp (hostname, priv->hostname)) {
1227                 g_free (hostname);
1228                 return;
1229         }
1230
1231         /* realloc, to free possibly trailing data after NUL. */
1232         if (hostname)
1233                 hostname = g_realloc (hostname, strlen (hostname) + 1);
1234
1235         g_free (priv->hostname);
1236         priv->hostname = hostname;
1237         g_object_notify (G_OBJECT (self), NM_MANAGER_HOSTNAME);
1238
1239         nm_dhcp_manager_set_default_hostname (nm_dhcp_manager_get (), priv->hostname);
1240 }
1241
1242 /*******************************************************************/
1243 /* General NMManager stuff                                         */
1244 /*******************************************************************/
1245
1246 /* Store value into key-file; supported types: boolean, int, string */
1247 static gboolean
1248 write_value_to_state_file (const char *filename,
1249                            const char *group,
1250                            const char *key,
1251                            GType value_type,
1252                            gpointer value,
1253                            GError **error)
1254 {
1255         GKeyFile *key_file;
1256         char *data;
1257         gsize len = 0;
1258         gboolean ret = FALSE;
1259
1260         g_return_val_if_fail (filename != NULL, FALSE);
1261         g_return_val_if_fail (group != NULL, FALSE);
1262         g_return_val_if_fail (key != NULL, FALSE);
1263         g_return_val_if_fail (value_type == G_TYPE_BOOLEAN ||
1264                               value_type == G_TYPE_INT ||
1265                               value_type == G_TYPE_STRING,
1266                               FALSE);
1267
1268         key_file = g_key_file_new ();
1269
1270         g_key_file_set_list_separator (key_file, ',');
1271         g_key_file_load_from_file (key_file, filename, G_KEY_FILE_KEEP_COMMENTS, NULL);
1272         switch (value_type) {
1273         case G_TYPE_BOOLEAN:
1274                 g_key_file_set_boolean (key_file, group, key, *((gboolean *) value));
1275                 break;
1276         case G_TYPE_INT:
1277                 g_key_file_set_integer (key_file, group, key, *((gint *) value));
1278                 break;
1279         case G_TYPE_STRING:
1280                 g_key_file_set_string (key_file, group, key, *((const gchar **) value));
1281                 break;
1282         }
1283
1284         data = g_key_file_to_data (key_file, &len, NULL);
1285         if (data) {
1286                 ret = g_file_set_contents (filename, data, len, error);
1287                 g_free (data);
1288         }
1289         g_key_file_free (key_file);
1290
1291         return ret;
1292 }
1293
1294 static gboolean
1295 radio_enabled_for_rstate (RadioState *rstate, gboolean check_changeable)
1296 {
1297         gboolean enabled;
1298
1299         enabled = rstate->user_enabled && rstate->hw_enabled;
1300         if (check_changeable)
1301                 enabled &= rstate->sw_enabled;
1302         return enabled;
1303 }
1304
1305 static gboolean
1306 radio_enabled_for_type (NMManager *self, RfKillType rtype, gboolean check_changeable)
1307 {
1308         NMManagerPrivate *priv = NM_MANAGER_GET_PRIVATE (self);
1309
1310         return radio_enabled_for_rstate (&priv->radio_states[rtype], check_changeable);
1311 }
1312
1313 static void
1314 manager_update_radio_enabled (NMManager *self,
1315                               RadioState *rstate,
1316                               gboolean enabled)
1317 {
1318         NMManagerPrivate *priv = NM_MANAGER_GET_PRIVATE (self);
1319         GSList *iter;
1320
1321         /* Do nothing for radio types not yet implemented */
1322         if (!rstate->prop)
1323                 return;
1324
1325         g_object_notify (G_OBJECT (self), rstate->prop);
1326
1327         /* Don't touch devices if asleep/networking disabled */
1328         if (manager_sleeping (self))
1329                 return;
1330
1331         /* enable/disable wireless devices as required */
1332         for (iter = priv->devices; iter; iter = iter->next) {
1333                 NMDevice *device = NM_DEVICE (iter->data);
1334
1335                 if (nm_device_get_rfkill_type (device) == rstate->rtype) {
1336                         _LOGD (LOGD_RFKILL, "(%s): setting radio %s",
1337                                nm_device_get_iface (device),
1338                                enabled ? "enabled" : "disabled");
1339                         nm_device_set_enabled (device, enabled);
1340                 }
1341         }
1342 }
1343
1344 static void
1345 update_rstate_from_rfkill (NMRfkillManager *rfkill_mgr, RadioState *rstate)
1346 {
1347         switch (nm_rfkill_manager_get_rfkill_state (rfkill_mgr, rstate->rtype)) {
1348         case RFKILL_UNBLOCKED:
1349                 rstate->sw_enabled = TRUE;
1350                 rstate->hw_enabled = TRUE;
1351                 break;
1352         case RFKILL_SOFT_BLOCKED:
1353                 rstate->sw_enabled = FALSE;
1354                 rstate->hw_enabled = TRUE;
1355                 break;
1356         case RFKILL_HARD_BLOCKED:
1357                 rstate->sw_enabled = FALSE;
1358                 rstate->hw_enabled = FALSE;
1359                 break;
1360         default:
1361                 g_warn_if_reached ();
1362                 break;
1363         }
1364 }
1365
1366 static void
1367 manager_rfkill_update_one_type (NMManager *self,
1368                                 RadioState *rstate,
1369                                 RfKillType rtype)
1370 {
1371         NMManagerPrivate *priv = NM_MANAGER_GET_PRIVATE (self);
1372         gboolean old_enabled, new_enabled, old_rfkilled, new_rfkilled, old_hwe;
1373
1374         old_enabled = radio_enabled_for_rstate (rstate, TRUE);
1375         old_rfkilled = rstate->hw_enabled && rstate->sw_enabled;
1376         old_hwe = rstate->hw_enabled;
1377
1378         /* recheck kernel rfkill state */
1379         update_rstate_from_rfkill (priv->rfkill_mgr, rstate);
1380
1381         /* Print out all states affecting device enablement */
1382         if (rstate->desc) {
1383                 _LOGD (LOGD_RFKILL, "%s hw-enabled %d sw-enabled %d",
1384                        rstate->desc, rstate->hw_enabled, rstate->sw_enabled);
1385         }
1386
1387         /* Log new killswitch state */
1388         new_rfkilled = rstate->hw_enabled && rstate->sw_enabled;
1389         if (old_rfkilled != new_rfkilled) {
1390                 _LOGI (LOGD_RFKILL, "%s now %s by radio killswitch",
1391                        rstate->desc,
1392                        new_rfkilled ? "enabled" : "disabled");
1393         }
1394
1395         /* Send out property changed signal for HW enabled */
1396         if (rstate->hw_enabled != old_hwe) {
1397                 if (rstate->hw_prop)
1398                         g_object_notify (G_OBJECT (self), rstate->hw_prop);
1399         }
1400
1401         /* And finally update the actual device radio state itself; respect the
1402          * daemon state here because this is never called from user-triggered
1403          * radio changes and we only want to ignore the daemon enabled state when
1404          * handling user radio change requests.
1405          */
1406         new_enabled = radio_enabled_for_rstate (rstate, TRUE);
1407         if (new_enabled != old_enabled)
1408                 manager_update_radio_enabled (self, rstate, new_enabled);
1409 }
1410
1411 static void
1412 nm_manager_rfkill_update (NMManager *self, RfKillType rtype)
1413 {
1414         NMManagerPrivate *priv = NM_MANAGER_GET_PRIVATE (self);
1415         guint i;
1416
1417         if (rtype != RFKILL_TYPE_UNKNOWN)
1418                 manager_rfkill_update_one_type (self, &priv->radio_states[rtype], rtype);
1419         else {
1420                 /* Otherwise sync all radio types */
1421                 for (i = 0; i < RFKILL_TYPE_MAX; i++)
1422                         manager_rfkill_update_one_type (self, &priv->radio_states[i], i);
1423         }
1424 }
1425
1426 static void
1427 device_auth_done_cb (NMAuthChain *chain,
1428                      GError *auth_error,
1429                      GDBusMethodInvocation *context,
1430                      gpointer user_data)
1431 {
1432         NMManager *self = NM_MANAGER (user_data);
1433         NMManagerPrivate *priv = NM_MANAGER_GET_PRIVATE (self);
1434         GError *error = NULL;
1435         NMAuthCallResult result;
1436         NMDevice *device;
1437         const char *permission;
1438         NMDeviceAuthRequestFunc callback;
1439         NMAuthSubject *subject;
1440
1441         g_assert (context);
1442
1443         priv->auth_chains = g_slist_remove (priv->auth_chains, chain);
1444
1445         permission = nm_auth_chain_get_data (chain, "requested-permission");
1446         g_assert (permission);
1447         callback = nm_auth_chain_get_data (chain, "callback");
1448         g_assert (callback);
1449         device = nm_auth_chain_get_data (chain, "device");
1450         g_assert (device);
1451
1452         result = nm_auth_chain_get_result (chain, permission);
1453         subject = nm_auth_chain_get_subject (chain);
1454
1455         if (auth_error) {
1456                 /* translate the auth error into a manager permission denied error */
1457                 _LOGD (LOGD_CORE, "%s request failed: %s", permission, auth_error->message);
1458                 error = g_error_new (NM_MANAGER_ERROR,
1459                                      NM_MANAGER_ERROR_PERMISSION_DENIED,
1460                                      "%s request failed: %s",
1461                                      permission, auth_error->message);
1462         } else if (result != NM_AUTH_CALL_RESULT_YES) {
1463                 _LOGD (LOGD_CORE, "%s request failed: not authorized", permission);
1464                 error = g_error_new (NM_MANAGER_ERROR,
1465                                      NM_MANAGER_ERROR_PERMISSION_DENIED,
1466                                      "%s request failed: not authorized",
1467                                      permission);
1468         }
1469
1470         g_assert (error || (result == NM_AUTH_CALL_RESULT_YES));
1471
1472         callback (device,
1473                   context,
1474                   subject,
1475                   error,
1476                   nm_auth_chain_get_data (chain, "user-data"));
1477
1478         g_clear_error (&error);
1479         nm_auth_chain_unref (chain);
1480 }
1481
1482 static void
1483 device_auth_request_cb (NMDevice *device,
1484                         GDBusMethodInvocation *context,
1485                         NMConnection *connection,
1486                         const char *permission,
1487                         gboolean allow_interaction,
1488                         NMDeviceAuthRequestFunc callback,
1489                         gpointer user_data,
1490                         NMManager *self)
1491 {
1492         NMManagerPrivate *priv = NM_MANAGER_GET_PRIVATE (self);
1493         GError *error = NULL;
1494         NMAuthSubject *subject = NULL;
1495         char *error_desc = NULL;
1496         NMAuthChain *chain;
1497
1498         /* Validate the caller */
1499         subject = nm_auth_subject_new_unix_process_from_context (context);
1500         if (!subject) {
1501                 error = g_error_new_literal (NM_MANAGER_ERROR,
1502                                              NM_MANAGER_ERROR_PERMISSION_DENIED,
1503                                              "Failed to get request UID.");
1504                 goto done;
1505         }
1506
1507         /* Ensure the subject has permissions for this connection */
1508         if (connection && !nm_auth_is_subject_in_acl (connection,
1509                                                       subject,
1510                                                       &error_desc)) {
1511                 error = g_error_new_literal (NM_MANAGER_ERROR,
1512                                              NM_MANAGER_ERROR_PERMISSION_DENIED,
1513                                              error_desc);
1514                 g_free (error_desc);
1515                 goto done;
1516         }
1517
1518         /* Validate the request */
1519         chain = nm_auth_chain_new_subject (subject, context, device_auth_done_cb, self);
1520         if (!chain) {
1521                 error = g_error_new_literal (NM_MANAGER_ERROR,
1522                                              NM_MANAGER_ERROR_PERMISSION_DENIED,
1523                                              "Unable to authenticate request.");
1524                 goto done;
1525         }
1526
1527         priv->auth_chains = g_slist_append (priv->auth_chains, chain);
1528         nm_auth_chain_set_data (chain, "device", g_object_ref (device), g_object_unref);
1529         nm_auth_chain_set_data (chain, "requested-permission", g_strdup (permission), g_free);
1530         nm_auth_chain_set_data (chain, "callback", callback, NULL);
1531         nm_auth_chain_set_data (chain, "user-data", user_data, NULL);
1532         nm_auth_chain_add_call (chain, permission, allow_interaction);
1533
1534 done:
1535         if (error)
1536                 callback (device, context, subject, error, user_data);
1537
1538         g_clear_object (&subject);
1539         g_clear_error (&error);
1540 }
1541
1542 static gboolean
1543 match_connection_filter (NMConnection *connection, gpointer user_data)
1544 {
1545         if (nm_settings_connection_get_nm_generated_assumed (NM_SETTINGS_CONNECTION (connection)))
1546                 return FALSE;
1547
1548         return nm_device_check_connection_compatible (NM_DEVICE (user_data), connection);
1549 }
1550
1551 /**
1552  * get_existing_connection:
1553  * @manager: #NMManager instance
1554  * @device: #NMDevice instance
1555  * @out_generated: (allow-none): return TRUE, if the connection was generated.
1556  *
1557  * Returns: a #NMSettingsConnection to be assumed by the device, or %NULL if
1558  *   the device does not support assuming existing connections.
1559  */
1560 static NMSettingsConnection *
1561 get_existing_connection (NMManager *self, NMDevice *device, gboolean *out_generated)
1562 {
1563         NMManagerPrivate *priv = NM_MANAGER_GET_PRIVATE (self);
1564         gs_free_slist GSList *connections = nm_manager_get_activatable_connections (self);
1565         NMConnection *connection = NULL;
1566         NMSettingsConnection *matched;
1567         NMSettingsConnection *added = NULL;
1568         GError *error = NULL;
1569         NMDevice *master = NULL;
1570         int ifindex = nm_device_get_ifindex (device);
1571
1572         if (out_generated)
1573                 *out_generated = FALSE;
1574
1575         nm_device_capture_initial_config (device);
1576
1577         if (ifindex) {
1578                 int master_ifindex = nm_platform_link_get_master (NM_PLATFORM_GET, ifindex);
1579
1580                 if (master_ifindex) {
1581                         master = nm_manager_get_device_by_ifindex (self, master_ifindex);
1582                         if (!master) {
1583                                 _LOGD (LOGD_DEVICE, "(%s): cannot generate connection for slave before its master (%s/%d)",
1584                                        nm_device_get_iface (device), nm_platform_link_get_name (NM_PLATFORM_GET, master_ifindex), master_ifindex);
1585                                 return NULL;
1586                         }
1587                         if (!nm_device_get_act_request (master)) {
1588                                 _LOGD (LOGD_DEVICE, "(%s): cannot generate connection for slave before master %s activates",
1589                                        nm_device_get_iface (device), nm_device_get_iface (master));
1590                                 return NULL;
1591                         }
1592                 }
1593         }
1594
1595         /* The core of the API is nm_device_generate_connection() function and
1596          * update_connection() virtual method and the convenient connection_type
1597          * class attribute. Subclasses supporting the new API must have
1598          * update_connection() implemented, otherwise nm_device_generate_connection()
1599          * returns NULL.
1600          */
1601         connection = nm_device_generate_connection (device, master);
1602         if (!connection)
1603                 return NULL;
1604
1605         /* Now we need to compare the generated connection to each configured
1606          * connection. The comparison function is the heart of the connection
1607          * assumption implementation and it must compare the connections very
1608          * carefully to sort out various corner cases. Also, the comparison is
1609          * not entirely symmetric.
1610          *
1611          * When no configured connection matches the generated connection, we keep
1612          * the generated connection instead.
1613          */
1614         connections = g_slist_reverse (g_slist_sort (connections, nm_settings_sort_connections));
1615         matched = NM_SETTINGS_CONNECTION (nm_utils_match_connection (connections,
1616                                                                      connection,
1617                                                                      nm_device_has_carrier (device),
1618                                                                      nm_device_get_ip4_route_metric (device),
1619                                                                      nm_device_get_ip6_route_metric (device),
1620                                                                      match_connection_filter,
1621                                                                      device));
1622         if (matched) {
1623                 _LOGI (LOGD_DEVICE, "(%s): found matching connection '%s'",
1624                        nm_device_get_iface (device),
1625                        nm_settings_connection_get_id (matched));
1626                 g_object_unref (connection);
1627                 return matched;
1628         }
1629
1630         _LOGD (LOGD_DEVICE, "(%s): generated connection '%s'",
1631                nm_device_get_iface (device),
1632                nm_connection_get_id (connection));
1633
1634         added = nm_settings_add_connection (priv->settings, connection, FALSE, &error);
1635         if (added) {
1636                 nm_settings_connection_set_flags (NM_SETTINGS_CONNECTION (added),
1637                                                   NM_SETTINGS_CONNECTION_FLAGS_NM_GENERATED |
1638                                                   NM_SETTINGS_CONNECTION_FLAGS_NM_GENERATED_ASSUMED,
1639                                                   TRUE);
1640                 if (out_generated)
1641                         *out_generated = TRUE;
1642         } else {
1643                 _LOGW (LOGD_SETTINGS, "(%s) Couldn't save generated connection '%s': %s",
1644                        nm_device_get_iface (device),
1645                        nm_connection_get_id (connection),
1646                        error->message);
1647                 g_clear_error (&error);
1648         }
1649         g_object_unref (connection);
1650
1651         return added ? added : NULL;
1652 }
1653
1654 static gboolean
1655 assume_connection (NMManager *self, NMDevice *device, NMSettingsConnection *connection)
1656 {
1657         NMActiveConnection *active, *master_ac;
1658         NMAuthSubject *subject;
1659         GError *error = NULL;
1660
1661         _LOGD (LOGD_DEVICE, "(%s): will attempt to assume connection",
1662                nm_device_get_iface (device));
1663
1664         /* Move device to DISCONNECTED to activate the connection */
1665         if (nm_device_get_state (device) == NM_DEVICE_STATE_UNAVAILABLE) {
1666                 nm_device_state_changed (device,
1667                                          NM_DEVICE_STATE_DISCONNECTED,
1668                                          NM_DEVICE_STATE_REASON_CONNECTION_ASSUMED);
1669         }
1670         g_return_val_if_fail (nm_device_get_state (device) >= NM_DEVICE_STATE_DISCONNECTED, FALSE);
1671
1672         subject = nm_auth_subject_new_internal ();
1673         active = _new_active_connection (self, NM_CONNECTION (connection), NULL, device, subject, &error);
1674         g_object_unref (subject);
1675
1676         if (!active) {
1677                 _LOGW (LOGD_DEVICE, "assumed connection %s failed to activate: %s",
1678                        nm_connection_get_path (NM_CONNECTION (connection)),
1679                        error->message);
1680                 g_error_free (error);
1681                 return FALSE;
1682         }
1683
1684         /* If the device is a slave or VLAN, find the master ActiveConnection */
1685         master_ac = NULL;
1686         if (find_master (self, NM_CONNECTION (connection), device, NULL, NULL, &master_ac, NULL) && master_ac)
1687                 nm_active_connection_set_master (active, master_ac);
1688
1689         nm_active_connection_set_assumed (active, TRUE);
1690         nm_exported_object_export (NM_EXPORTED_OBJECT (active));
1691         active_connection_add (self, active);
1692         nm_device_queue_activation (device, NM_ACT_REQUEST (active));
1693         g_object_unref (active);
1694
1695         return TRUE;
1696 }
1697
1698 static gboolean
1699 recheck_assume_connection (NMManager *self, NMDevice *device)
1700 {
1701         NMSettingsConnection *connection;
1702         gboolean was_unmanaged = FALSE, success, generated = FALSE;
1703         NMDeviceState state;
1704
1705         g_return_val_if_fail (NM_IS_MANAGER (self), FALSE);
1706         g_return_val_if_fail (NM_IS_DEVICE (device), FALSE);
1707
1708         if (nm_device_get_is_nm_owned (device))
1709                 return FALSE;
1710
1711         if (!nm_device_get_managed (device, FALSE))
1712                 return FALSE;
1713
1714         state = nm_device_get_state (device);
1715         if (state > NM_DEVICE_STATE_DISCONNECTED)
1716                 return FALSE;
1717
1718         connection = get_existing_connection (self, device, &generated);
1719         if (!connection) {
1720                 _LOGD (LOGD_DEVICE, "(%s): can't assume; no connection",
1721                        nm_device_get_iface (device));
1722                 return FALSE;
1723         }
1724
1725         if (state == NM_DEVICE_STATE_UNMANAGED) {
1726                 was_unmanaged = TRUE;
1727                 nm_device_state_changed (device,
1728                                          NM_DEVICE_STATE_UNAVAILABLE,
1729                                          NM_DEVICE_STATE_REASON_CONNECTION_ASSUMED);
1730         }
1731
1732         success = assume_connection (self, device, connection);
1733         if (!success) {
1734                 if (was_unmanaged) {
1735                         nm_device_state_changed (device,
1736                                                  NM_DEVICE_STATE_UNAVAILABLE,
1737                                                  NM_DEVICE_STATE_REASON_CONFIG_FAILED);
1738                 }
1739
1740                 if (generated) {
1741                         _LOGD (LOGD_DEVICE, "(%s): connection assumption failed. Deleting generated connection",
1742                                nm_device_get_iface (device));
1743
1744                         nm_settings_connection_delete (connection, NULL, NULL);
1745                 }
1746         }
1747
1748         return success;
1749 }
1750
1751 static void
1752 recheck_assume_connection_cb (NMDevice *device, gpointer user_data)
1753 {
1754         recheck_assume_connection (user_data, device);
1755 }
1756
1757 static void
1758 device_ip_iface_changed (NMDevice *device,
1759                          GParamSpec *pspec,
1760                          NMManager *self)
1761 {
1762         const char *ip_iface = nm_device_get_ip_iface (device);
1763         GSList *iter;
1764
1765         /* Remove NMDevice objects that are actually child devices of others,
1766          * when the other device finally knows its IP interface name.  For example,
1767          * remove the PPP interface that's a child of a WWAN device, since it's
1768          * not really a standalone NMDevice.
1769          */
1770         for (iter = NM_MANAGER_GET_PRIVATE (self)->devices; iter; iter = iter->next) {
1771                 NMDevice *candidate = NM_DEVICE (iter->data);
1772
1773                 if (   candidate != device
1774                     && g_strcmp0 (nm_device_get_iface (candidate), ip_iface) == 0
1775                     && nm_device_is_real (candidate)) {
1776                         remove_device (self, candidate, FALSE, FALSE);
1777                         break;
1778                 }
1779         }
1780 }
1781
1782 static void
1783 device_iface_changed (NMDevice *device,
1784                       GParamSpec *pspec,
1785                       NMManager *self)
1786 {
1787         /* Virtual connections may refer to the new device name as
1788          * parent device, retry to activate them.
1789          */
1790         retry_connections_for_parent_device (self, device);
1791 }
1792
1793
1794 static void
1795 device_realized (NMDevice *device,
1796                  GParamSpec *pspec,
1797                  NMManager *self)
1798 {
1799         /* Emit D-Bus signals */
1800         g_signal_emit (self, signals[DEVICE_ADDED], 0, device);
1801         g_object_notify (G_OBJECT (self), NM_MANAGER_DEVICES);
1802 }
1803
1804 static void
1805 _device_realize_finish (NMManager *self, NMDevice *device, const NMPlatformLink *plink)
1806 {
1807         g_return_if_fail (NM_IS_MANAGER (self));
1808         g_return_if_fail (NM_IS_DEVICE (device));
1809
1810         nm_device_realize_finish (device, plink);
1811
1812         if (!nm_device_get_managed (device, FALSE))
1813                 return;
1814
1815         if (recheck_assume_connection (self, device))
1816                 return;
1817
1818         /* if we failed to assume a connection for the managed device, but the device
1819          * is still unavailable. Set UNAVAILABLE state again, this time with NOW_MANAGED. */
1820         nm_device_state_changed (device,
1821                                  NM_DEVICE_STATE_UNAVAILABLE,
1822                                  NM_DEVICE_STATE_REASON_NOW_MANAGED);
1823         nm_device_emit_recheck_auto_activate (device);
1824 }
1825
1826 /**
1827  * add_device:
1828  * @self: the #NMManager
1829  * @device: the #NMDevice to add
1830  * @error: (out): the #GError
1831  *
1832  * If successful, this function will increase the references count of @device.
1833  * Callers should decrease the reference count.
1834  */
1835 static gboolean
1836 add_device (NMManager *self, NMDevice *device, GError **error)
1837 {
1838         NMManagerPrivate *priv = NM_MANAGER_GET_PRIVATE (self);
1839         const char *iface, *type_desc;
1840         RfKillType rtype;
1841         GSList *iter, *remove = NULL;
1842         int ifindex;
1843         const char *dbus_path;
1844
1845         /* No duplicates */
1846         ifindex = nm_device_get_ifindex (device);
1847         if (ifindex > 0 && nm_manager_get_device_by_ifindex (self, ifindex)) {
1848                 g_set_error (error, NM_MANAGER_ERROR, NM_MANAGER_ERROR_FAILED,
1849                              "A device with ifindex %d already exists", ifindex);
1850                 return FALSE;
1851         }
1852
1853         /* Remove existing devices owned by the new device; eg remove ethernet
1854          * ports that are owned by a WWAN modem, since udev may announce them
1855          * before the modem is fully discovered.
1856          *
1857          * FIXME: use parent/child device relationships instead of removing
1858          * the child NMDevice entirely
1859          */
1860         for (iter = priv->devices; iter; iter = iter->next) {
1861                 NMDevice *candidate = iter->data;
1862
1863                 iface = nm_device_get_ip_iface (candidate);
1864                 if (nm_device_is_real (candidate) && nm_device_owns_iface (device, iface))
1865                         remove = g_slist_prepend (remove, candidate);
1866         }
1867         for (iter = remove; iter; iter = iter->next)
1868                 remove_device (self, NM_DEVICE (iter->data), FALSE, FALSE);
1869         g_slist_free (remove);
1870
1871         priv->devices = g_slist_append (priv->devices, g_object_ref (device));
1872
1873         g_signal_connect (device, NM_DEVICE_STATE_CHANGED,
1874                           G_CALLBACK (manager_device_state_changed),
1875                           self);
1876
1877         g_signal_connect (device, NM_DEVICE_AUTH_REQUEST,
1878                           G_CALLBACK (device_auth_request_cb),
1879                           self);
1880
1881         g_signal_connect (device, NM_DEVICE_REMOVED,
1882                           G_CALLBACK (device_removed_cb),
1883                           self);
1884
1885         g_signal_connect (device, NM_DEVICE_RECHECK_ASSUME,
1886                           G_CALLBACK (recheck_assume_connection_cb),
1887                           self);
1888
1889         g_signal_connect (device, "notify::" NM_DEVICE_IP_IFACE,
1890                           G_CALLBACK (device_ip_iface_changed),
1891                           self);
1892
1893         g_signal_connect (device, "notify::" NM_DEVICE_IFACE,
1894                           G_CALLBACK (device_iface_changed),
1895                           self);
1896
1897         g_signal_connect (device, "notify::" NM_DEVICE_REAL,
1898                           G_CALLBACK (device_realized),
1899                           self);
1900
1901         if (priv->startup) {
1902                 g_signal_connect (device, "notify::" NM_DEVICE_HAS_PENDING_ACTION,
1903                                   G_CALLBACK (device_has_pending_action_changed),
1904                                   self);
1905         }
1906
1907         /* Update global rfkill state for this device type with the device's
1908          * rfkill state, and then set this device's rfkill state based on the
1909          * global state.
1910          */
1911         rtype = nm_device_get_rfkill_type (device);
1912         if (rtype != RFKILL_TYPE_UNKNOWN) {
1913                 nm_manager_rfkill_update (self, rtype);
1914                 nm_device_set_enabled (device, radio_enabled_for_type (self, rtype, TRUE));
1915         }
1916
1917         iface = nm_device_get_iface (device);
1918         g_assert (iface);
1919         type_desc = nm_device_get_type_desc (device);
1920         g_assert (type_desc);
1921
1922         nm_device_set_unmanaged_by_user_config (device, nm_settings_get_unmanaged_specs (priv->settings));
1923
1924         nm_device_set_unmanaged_flags (device,
1925                                        NM_UNMANAGED_SLEEPING,
1926                                        manager_sleeping (self));
1927
1928         dbus_path = nm_exported_object_export (NM_EXPORTED_OBJECT (device));
1929         _LOGI (LOGD_DEVICE, "(%s): new %s device (%s)", iface, type_desc, dbus_path);
1930
1931         nm_settings_device_added (priv->settings, device);
1932         g_signal_emit (self, signals[INTERNAL_DEVICE_ADDED], 0, device);
1933         g_object_notify (G_OBJECT (self), NM_MANAGER_ALL_DEVICES);
1934
1935         for (iter = priv->devices; iter; iter = iter->next) {
1936                 NMDevice *d = iter->data;
1937
1938                 if (d != device)
1939                         nm_device_notify_new_device_added (d, device);
1940         }
1941
1942         /* Virtual connections may refer to the new device as
1943          * parent device, retry to activate them.
1944          */
1945         retry_connections_for_parent_device (self, device);
1946
1947         return TRUE;
1948 }
1949
1950 /*******************************************************************/
1951
1952 static void
1953 factory_device_added_cb (NMDeviceFactory *factory,
1954                          NMDevice *device,
1955                          gpointer user_data)
1956 {
1957         NMManager *self = user_data;
1958         GError *error = NULL;
1959
1960         g_return_if_fail (NM_IS_MANAGER (self));
1961
1962         if (nm_device_realize_start (device, NULL, NULL, &error)) {
1963                 add_device (self, device, NULL);
1964                 _device_realize_finish (self, device, NULL);
1965         } else {
1966                 _LOGW (LOGD_DEVICE, "(%s): failed to realize device: %s",
1967                        nm_device_get_iface (device), error->message);
1968                 g_error_free (error);
1969         }
1970 }
1971
1972 static gboolean
1973 factory_component_added_cb (NMDeviceFactory *factory,
1974                             GObject *component,
1975                             gpointer user_data)
1976 {
1977         GSList *iter;
1978
1979         g_return_val_if_fail (NM_IS_MANAGER (user_data), FALSE);
1980
1981         for (iter = NM_MANAGER_GET_PRIVATE (user_data)->devices; iter; iter = iter->next) {
1982                 if (nm_device_notify_component_added ((NMDevice *) iter->data, component))
1983                         return TRUE;
1984         }
1985         return FALSE;
1986 }
1987
1988 static void
1989 _register_device_factory (NMDeviceFactory *factory, gpointer user_data)
1990 {
1991         NMManager *self = NM_MANAGER (user_data);
1992
1993         g_signal_connect (factory,
1994                           NM_DEVICE_FACTORY_DEVICE_ADDED,
1995                           G_CALLBACK (factory_device_added_cb),
1996                           self);
1997         g_signal_connect (factory,
1998                           NM_DEVICE_FACTORY_COMPONENT_ADDED,
1999                           G_CALLBACK (factory_component_added_cb),
2000                           self);
2001 }
2002
2003 /*******************************************************************/
2004
2005 static void
2006 platform_link_added (NMManager *self,
2007                      int ifindex,
2008                      const NMPlatformLink *plink)
2009 {
2010         NMDeviceFactory *factory;
2011         NMDevice *device = NULL;
2012         GError *error = NULL;
2013         gboolean nm_plugin_missing = FALSE;
2014         GSList *iter;
2015
2016         g_return_if_fail (ifindex > 0);
2017
2018         if (nm_manager_get_device_by_ifindex (self, ifindex))
2019                 return;
2020
2021         /* Let unrealized devices try to realize themselves with the link */
2022         for (iter = NM_MANAGER_GET_PRIVATE (self)->devices; iter; iter = iter->next) {
2023                 NMDevice *candidate = iter->data;
2024                 gboolean compatible = TRUE;
2025
2026                 if (strcmp (nm_device_get_iface (candidate), plink->name))
2027                         continue;
2028
2029                 if (nm_device_is_real (candidate)) {
2030                         /* Ignore the link added event since there's already a realized
2031                          * device with the link's name.
2032                          */
2033                         return;
2034                 } else if (nm_device_realize_start (candidate, plink, &compatible, &error)) {
2035                         /* Success */
2036                         _device_realize_finish (self, candidate, plink);
2037                         return;
2038                 }
2039
2040                 _LOGD (LOGD_DEVICE, "(%s): failed to realize from plink: '%s'",
2041                        plink->name, error->message);
2042                 g_clear_error (&error);
2043
2044                 /* Try next unrealized device */
2045         }
2046
2047         /* Try registered device factories */
2048         factory = nm_device_factory_manager_find_factory_for_link_type (plink->type);
2049         if (factory) {
2050                 gboolean ignore = FALSE;
2051
2052                 device = nm_device_factory_create_device (factory, plink->name, plink, NULL, &ignore, &error);
2053                 if (!device) {
2054                         if (!ignore) {
2055                                 _LOGW (LOGD_HW, "%s: factory failed to create device: %s",
2056                                        plink->name, error->message);
2057                                 g_clear_error (&error);
2058                         }
2059                         return;
2060                 }
2061         }
2062
2063         if (device == NULL) {
2064                 switch (plink->type) {
2065                 case NM_LINK_TYPE_WWAN_ETHERNET:
2066                 case NM_LINK_TYPE_BNEP:
2067                 case NM_LINK_TYPE_OLPC_MESH:
2068                 case NM_LINK_TYPE_TEAM:
2069                 case NM_LINK_TYPE_WIFI:
2070                         _LOGI (LOGD_HW, "(%s): '%s' plugin not available; creating generic device",
2071                                plink->name, nm_link_type_to_string (plink->type));
2072                         nm_plugin_missing = TRUE;
2073                         /* fall through */
2074                 default:
2075                         device = nm_device_generic_new (plink);
2076                         break;
2077                 }
2078         }
2079
2080         if (device) {
2081                 if (nm_plugin_missing)
2082                         nm_device_set_nm_plugin_missing (device, TRUE);
2083                 if (nm_device_realize_start (device, plink, NULL, &error)) {
2084                         add_device (self, device, NULL);
2085                         _device_realize_finish (self, device, plink);
2086                 } else {
2087                         _LOGW (LOGD_DEVICE, "%s: failed to realize device: %s",
2088                                plink->name, error->message);
2089                         g_clear_error (&error);
2090                 }
2091                 g_object_unref (device);
2092         }
2093 }
2094
2095 typedef struct {
2096         NMManager *self;
2097         int ifindex;
2098 } PlatformLinkCbData;
2099
2100 static gboolean
2101 _platform_link_cb_idle (PlatformLinkCbData *data)
2102 {
2103         NMManager *self = data->self;
2104         const NMPlatformLink *l;
2105
2106         if (!self)
2107                 goto out;
2108
2109         g_object_remove_weak_pointer (G_OBJECT (self), (gpointer *) &data->self);
2110
2111         l = nm_platform_link_get (NM_PLATFORM_GET, data->ifindex);
2112         if (l) {
2113                 NMPlatformLink pllink;
2114
2115                 pllink = *l; /* make a copy of the link instance */
2116                 platform_link_added (self, data->ifindex, &pllink);
2117         } else {
2118                 NMDevice *device;
2119                 GError *error = NULL;
2120
2121                 device = nm_manager_get_device_by_ifindex (self, data->ifindex);
2122                 if (device) {
2123                         if (nm_device_is_software (device)) {
2124                                 /* Our software devices stick around until their connection is removed */
2125                                 if (!nm_device_unrealize (device, FALSE, &error)) {
2126                                         _LOGW (LOGD_DEVICE, "(%s): failed to unrealize: %s",
2127                                                nm_device_get_iface (device),
2128                                                error->message);
2129                                         g_clear_error (&error);
2130                                         remove_device (self, device, FALSE, TRUE);
2131                                 }
2132                         } else {
2133                                 /* Hardware and external devices always get removed when their kernel link is gone */
2134                                 remove_device (self, device, FALSE, TRUE);
2135                         }
2136                 }
2137         }
2138
2139 out:
2140         g_slice_free (PlatformLinkCbData, data);
2141         return G_SOURCE_REMOVE;
2142 }
2143
2144 static void
2145 platform_link_cb (NMPlatform *platform,
2146                   NMPObjectType obj_type,
2147                   int ifindex,
2148                   NMPlatformLink *plink,
2149                   NMPlatformSignalChangeType change_type,
2150                   gpointer user_data)
2151 {
2152         PlatformLinkCbData *data;
2153
2154         switch (change_type) {
2155         case NM_PLATFORM_SIGNAL_ADDED:
2156         case NM_PLATFORM_SIGNAL_REMOVED:
2157                 data = g_slice_new (PlatformLinkCbData);
2158                 data->self = NM_MANAGER (user_data);
2159                 data->ifindex = ifindex;
2160                 g_object_add_weak_pointer (G_OBJECT (data->self), (gpointer *) &data->self);
2161                 g_idle_add ((GSourceFunc) _platform_link_cb_idle, data);
2162                 break;
2163         default:
2164                 break;
2165         }
2166 }
2167
2168 static void
2169 platform_query_devices (NMManager *self)
2170 {
2171         GArray *links_array;
2172         NMPlatformLink *links;
2173         int i;
2174
2175         links_array = nm_platform_link_get_all (NM_PLATFORM_GET);
2176         links = (NMPlatformLink *) links_array->data;
2177         for (i = 0; i < links_array->len; i++)
2178                 platform_link_added (self, links[i].ifindex, &links[i]);
2179
2180         g_array_unref (links_array);
2181 }
2182
2183 static void
2184 rfkill_manager_rfkill_changed_cb (NMRfkillManager *rfkill_mgr,
2185                                   RfKillType rtype,
2186                                   RfKillState udev_state,
2187                                   gpointer user_data)
2188 {
2189         nm_manager_rfkill_update (NM_MANAGER (user_data), rtype);
2190 }
2191
2192 const GSList *
2193 nm_manager_get_devices (NMManager *manager)
2194 {
2195         g_return_val_if_fail (NM_IS_MANAGER (manager), NULL);
2196
2197         return NM_MANAGER_GET_PRIVATE (manager)->devices;
2198 }
2199
2200 static NMDevice *
2201 nm_manager_get_connection_device (NMManager *self,
2202                                   NMConnection *connection)
2203 {
2204         NMActiveConnection *ac = find_ac_for_connection (self, connection);
2205         if (ac == NULL)
2206                 return NULL;
2207
2208         return nm_active_connection_get_device (ac);
2209 }
2210
2211 static NMDevice *
2212 nm_manager_get_best_device_for_connection (NMManager *self,
2213                                            NMConnection *connection,
2214                                            gboolean for_user_request)
2215 {
2216         const GSList *devices, *iter;
2217         NMDevice *act_device = nm_manager_get_connection_device (self, connection);
2218         NMDeviceCheckConAvailableFlags flags;
2219
2220         if (act_device)
2221                 return act_device;
2222
2223         flags = for_user_request ? NM_DEVICE_CHECK_CON_AVAILABLE_FOR_USER_REQUEST : NM_DEVICE_CHECK_CON_AVAILABLE_NONE;
2224
2225         /* Pick the first device that's compatible with the connection. */
2226         devices = nm_manager_get_devices (self);
2227         for (iter = devices; iter; iter = g_slist_next (iter)) {
2228                 NMDevice *device = NM_DEVICE (iter->data);
2229
2230                 if (nm_device_check_connection_available (device, connection, flags, NULL))
2231                         return device;
2232         }
2233
2234         /* No luck. :( */
2235         return NULL;
2236 }
2237
2238 static void
2239 _get_devices (NMManager *self,
2240               GDBusMethodInvocation *context,
2241               gboolean all_devices)
2242 {
2243         NMManagerPrivate *priv = NM_MANAGER_GET_PRIVATE (self);
2244         gs_free const char **paths = NULL;
2245         guint i;
2246         GSList *iter;
2247
2248         paths = g_new (const char *, g_slist_length (priv->devices) + 1);
2249
2250         for (i = 0, iter = priv->devices; iter; iter = iter->next) {
2251                 const char *path;
2252
2253                 path = nm_exported_object_get_path (NM_EXPORTED_OBJECT (iter->data));
2254                 if (   path
2255                     && (all_devices || nm_device_is_real (iter->data)))
2256                         paths[i++] = path;
2257         }
2258         paths[i++] = NULL;
2259
2260         g_dbus_method_invocation_return_value (context,
2261                                                g_variant_new ("(^ao)", (char **) paths));
2262 }
2263
2264 static void
2265 impl_manager_get_devices (NMManager *self,
2266                           GDBusMethodInvocation *context)
2267 {
2268         _get_devices (self, context, FALSE);
2269 }
2270
2271 static void
2272 impl_manager_get_all_devices (NMManager *self,
2273                               GDBusMethodInvocation *context)
2274 {
2275         _get_devices (self, context, TRUE);
2276 }
2277
2278 static void
2279 impl_manager_get_device_by_ip_iface (NMManager *self,
2280                                      GDBusMethodInvocation *context,
2281                                      const char *iface)
2282 {
2283         NMDevice *device;
2284         const char *path = NULL;
2285
2286         device = find_device_by_ip_iface (self, iface);
2287         if (device)
2288                 path = nm_exported_object_get_path (NM_EXPORTED_OBJECT (device));
2289
2290         if (path == NULL) {
2291                 g_dbus_method_invocation_return_error (context,
2292                                                        NM_MANAGER_ERROR,
2293                                                        NM_MANAGER_ERROR_UNKNOWN_DEVICE,
2294                                                        "No device found for the requested iface.");
2295         } else {
2296                 g_dbus_method_invocation_return_value (context,
2297                                                        g_variant_new ("(o)", path));
2298         }
2299 }
2300
2301 static gboolean
2302 is_compatible_with_slave (NMConnection *master, NMConnection *slave)
2303 {
2304         NMSettingConnection *s_con;
2305
2306         g_return_val_if_fail (master, FALSE);
2307         g_return_val_if_fail (slave, FALSE);
2308
2309         s_con = nm_connection_get_setting_connection (slave);
2310         g_assert (s_con);
2311
2312         return nm_connection_is_type (master, nm_setting_connection_get_slave_type (s_con));
2313 }
2314
2315 /**
2316  * find_master:
2317  * @self: #NMManager object
2318  * @connection: the #NMConnection to find the master connection and device for
2319  * @device: the #NMDevice, if any, which will activate @connection
2320  * @out_master_connection: on success, the master connection of @connection if
2321  *   that master connection was found
2322  * @out_master_device: on success, the master device of @connection if that
2323  *   master device was found
2324  * @out_master_ac: on success, the master ActiveConnection of @connection if
2325  *   there already is one
2326  * @error: the error, if an error occurred
2327  *
2328  * Given an #NMConnection, attempts to find its master. If @connection has
2329  * no master, this will return %TRUE and @out_master_connection and
2330  * @out_master_device will be untouched.
2331  *
2332  * If @connection does have a master, then the outputs depend on what is in its
2333  * #NMSettingConnection:master property:
2334  *
2335  * If "master" is the ifname of an existing #NMDevice, and that device has a
2336  * compatible master connection activated or activating on it, then
2337  * @out_master_device, @out_master_connection, and @out_master_ac will all be
2338  * set. If the device exists and is idle, only @out_master_device will be set.
2339  * If the device exists and has an incompatible connection on it, an error
2340  * will be returned.
2341  *
2342  * If "master" is the ifname of a non-existent device, then @out_master_device
2343  * will be %NULL, and @out_master_connection will be a connection whose
2344  * activation would cause the creation of that device. @out_master_ac MAY be
2345  * set in this case as well (if the connection has started activating, but has
2346  * not yet created its device).
2347  *
2348  * If "master" is the UUID of a compatible master connection, then
2349  * @out_master_connection will be the identified connection, and @out_master_device
2350  * and/or @out_master_ac will be set if the connection is currently activating.
2351  * (@out_master_device will not be set if the device exists but does not have
2352  * @out_master_connection active/activating on it.)
2353  *
2354  * Returns: %TRUE if the master device and/or connection could be found or if
2355  *  the connection did not require a master, %FALSE otherwise
2356  **/
2357 static gboolean
2358 find_master (NMManager *self,
2359              NMConnection *connection,
2360              NMDevice *device,
2361              NMSettingsConnection **out_master_connection,
2362              NMDevice **out_master_device,
2363              NMActiveConnection **out_master_ac,
2364              GError **error)
2365 {
2366         NMManagerPrivate *priv = NM_MANAGER_GET_PRIVATE (self);
2367         NMSettingConnection *s_con;
2368         const char *master;
2369         NMDevice *master_device = NULL;
2370         NMSettingsConnection *master_connection = NULL;
2371         GSList *iter;
2372
2373         s_con = nm_connection_get_setting_connection (connection);
2374         g_assert (s_con);
2375         master = nm_setting_connection_get_master (s_con);
2376
2377         if (master == NULL)
2378                 return TRUE;  /* success, but no master */
2379
2380         /* Try as an interface name first */
2381         master_device = find_device_by_iface (self, master, NULL, connection);
2382         if (master_device) {
2383                 if (master_device == device) {
2384                         g_set_error_literal (error, NM_MANAGER_ERROR, NM_MANAGER_ERROR_DEPENDENCY_FAILED,
2385                                              "Device cannot be its own master");
2386                         return FALSE;
2387                 }
2388
2389                 master_connection = nm_device_get_settings_connection (master_device);
2390                 if (master_connection && !is_compatible_with_slave (NM_CONNECTION (master_connection), connection)) {
2391                         g_set_error (error, NM_MANAGER_ERROR, NM_MANAGER_ERROR_DEPENDENCY_FAILED,
2392                                      "The active connection on %s is not compatible",
2393                                      nm_device_get_iface (master_device));
2394                         return FALSE;
2395                 }
2396         } else {
2397                 /* Try master as a connection UUID */
2398                 master_connection = nm_settings_get_connection_by_uuid (priv->settings, master);
2399                 if (master_connection) {
2400                         /* Check if the master connection is activated on some device already */
2401                         for (iter = priv->devices; iter; iter = g_slist_next (iter)) {
2402                                 NMDevice *candidate = NM_DEVICE (iter->data);
2403
2404                                 if (candidate == device)
2405                                         continue;
2406
2407                                 if (nm_device_get_settings_connection (candidate) == master_connection) {
2408                                         master_device = candidate;
2409                                         break;
2410                                 }
2411                         }
2412                 }
2413         }
2414
2415         if (out_master_connection)
2416                 *out_master_connection = master_connection;
2417         if (out_master_device)
2418                 *out_master_device = master_device;
2419         if (out_master_ac && master_connection)
2420                 *out_master_ac = find_ac_for_connection (self, NM_CONNECTION (master_connection));
2421
2422         if (master_device || master_connection)
2423                 return TRUE;
2424         else {
2425                 g_set_error_literal (error, NM_MANAGER_ERROR, NM_MANAGER_ERROR_UNKNOWN_DEVICE,
2426                                      "Master connection not found or invalid");
2427                 return FALSE;
2428         }
2429 }
2430
2431 /**
2432  * ensure_master_active_connection:
2433  * @self: the #NMManager
2434  * @subject: the #NMAuthSubject representing the requestor of this activation
2435  * @connection: the connection that should depend on @master_connection
2436  * @device: the #NMDevice, if any, which will activate @connection
2437  * @master_connection: the master connection, or %NULL
2438  * @master_device: the master device, or %NULL
2439  * @error: the error, if an error occurred
2440  *
2441  * Determines whether a given #NMConnection depends on another connection to
2442  * be activated, and if so, finds that master connection or creates it.
2443  *
2444  * If @master_device and @master_connection are both set then @master_connection
2445  * MUST already be activated or activating on @master_device, and the function will
2446  * return the existing #NMActiveConnection.
2447  *
2448  * If only @master_device is set, and it has an #NMActiveConnection, then the
2449  * function will return it if it is a compatible master, or an error if not. If it
2450  * doesn't have an AC, then the function will create one if a compatible master
2451  * connection exists, or return an error if not.
2452  *
2453  * If only @master_connection is set, then this will try to find or create a compatible
2454  * #NMDevice, and either activate @master_connection on that device or return an error.
2455  *
2456  * Returns: the master #NMActiveConnection that the caller should depend on, or
2457  * %NULL if an error occurred
2458  */
2459 static NMActiveConnection *
2460 ensure_master_active_connection (NMManager *self,
2461                                  NMAuthSubject *subject,
2462                                  NMConnection *connection,
2463                                  NMDevice *device,
2464                                  NMSettingsConnection *master_connection,
2465                                  NMDevice *master_device,
2466                                  GError **error)
2467 {
2468         NMManagerPrivate *priv = NM_MANAGER_GET_PRIVATE (self);
2469         NMActiveConnection *master_ac = NULL;
2470         NMDeviceState master_state;
2471         GSList *iter;
2472
2473         g_assert (connection);
2474         g_assert (master_connection || master_device);
2475
2476         /* If the master device isn't activated then we need to activate it using
2477          * compatible connection.  If it's already activating we can just proceed.
2478          */
2479         if (master_device) {
2480                 NMSettingsConnection *device_connection = nm_device_get_settings_connection (master_device);
2481
2482                 /* If we're passed a connection and a device, we require that connection
2483                  * be already activated on the device, eg returned from find_master().
2484                  */
2485                 g_assert (!master_connection || master_connection == device_connection);
2486                 if (device_connection && !is_compatible_with_slave (NM_CONNECTION (device_connection), connection)) {
2487                         g_set_error (error, NM_MANAGER_ERROR, NM_MANAGER_ERROR_DEPENDENCY_FAILED,
2488                                      "The active connection %s is not compatible",
2489                                      nm_connection_get_id (connection));
2490                         return NULL;
2491                 }
2492
2493                 master_state = nm_device_get_state (master_device);
2494                 if (   (master_state == NM_DEVICE_STATE_ACTIVATED)
2495                     || nm_device_is_activating (master_device)) {
2496                         /* Device already using master_connection */
2497                         g_assert (device_connection);
2498                         return NM_ACTIVE_CONNECTION (nm_device_get_act_request (master_device));
2499                 }
2500
2501                 /* If the device is disconnected, find a compatible connection and
2502                  * activate it on the device.
2503                  */
2504                 if (master_state == NM_DEVICE_STATE_DISCONNECTED || !nm_device_is_real (master_device)) {
2505                         GSList *connections;
2506
2507                         g_assert (master_connection == NULL);
2508
2509                         /* Find a compatible connection and activate this device using it */
2510                         connections = nm_manager_get_activatable_connections (self);
2511                         for (iter = connections; iter; iter = g_slist_next (iter)) {
2512                                 NMSettingsConnection *candidate = NM_SETTINGS_CONNECTION (iter->data);
2513
2514                                 /* Ensure eg bond/team slave and the candidate master is a
2515                                  * bond/team master
2516                                  */
2517                                 if (!is_compatible_with_slave (NM_CONNECTION (candidate), connection))
2518                                         continue;
2519
2520                                 if (nm_device_check_connection_available (master_device, NM_CONNECTION (candidate), NM_DEVICE_CHECK_CON_AVAILABLE_FOR_USER_REQUEST, NULL)) {
2521                                         master_ac = nm_manager_activate_connection (self,
2522                                                                                     candidate,
2523                                                                                     NULL,
2524                                                                                     master_device,
2525                                                                                     subject,
2526                                                                                     error);
2527                                         g_slist_free (connections);
2528                                         return master_ac;
2529                                 }
2530                         }
2531                         g_slist_free (connections);
2532
2533                         g_set_error (error,
2534                                      NM_MANAGER_ERROR,
2535                                      NM_MANAGER_ERROR_UNKNOWN_CONNECTION,
2536                                      "No compatible connection found.");
2537                         return NULL;
2538                 }
2539
2540                 /* Otherwise, the device is unmanaged, unavailable, or disconnecting */
2541                 g_set_error (error,
2542                              NM_MANAGER_ERROR,
2543                              NM_MANAGER_ERROR_DEPENDENCY_FAILED,
2544                              "Device unmanaged or not available for activation");
2545         } else if (master_connection) {
2546                 gboolean found_device = FALSE;
2547
2548                 /* Find a compatible device and activate it using this connection */
2549                 for (iter = priv->devices; iter; iter = g_slist_next (iter)) {
2550                         NMDevice *candidate = NM_DEVICE (iter->data);
2551
2552                         if (candidate == device) {
2553                                 /* A device obviously can't be its own master */
2554                                 continue;
2555                         }
2556
2557                         if (!nm_device_check_connection_available (candidate, NM_CONNECTION (master_connection), NM_DEVICE_CHECK_CON_AVAILABLE_FOR_USER_REQUEST, NULL))
2558                                 continue;
2559
2560                         found_device = TRUE;
2561                         if (!nm_device_is_software (candidate)) {
2562                                 master_state = nm_device_get_state (candidate);
2563                                 if (nm_device_is_real (candidate) && master_state != NM_DEVICE_STATE_DISCONNECTED)
2564                                         continue;
2565                         }
2566
2567                         master_ac = nm_manager_activate_connection (self,
2568                                                                     master_connection,
2569                                                                     NULL,
2570                                                                     candidate,
2571                                                                     subject,
2572                                                                     error);
2573                         return master_ac;
2574                 }
2575
2576                 g_set_error (error,
2577                              NM_MANAGER_ERROR,
2578                              NM_MANAGER_ERROR_UNKNOWN_DEVICE,
2579                              "No device available");
2580         } else
2581                 g_assert_not_reached ();
2582
2583         return NULL;
2584 }
2585
2586 /**
2587  * find_slaves:
2588  * @manager: #NMManager object
2589  * @connection: the master #NMSettingsConnection to find slave connections for
2590  * @device: the master #NMDevice for the @connection
2591  *
2592  * Given an #NMSettingsConnection, attempts to find its slaves. If @connection is not
2593  * master, or has not any slaves, this will return %NULL.
2594  *
2595  * Returns: list of slave connections for given master @connection, or %NULL
2596  **/
2597 static GSList *
2598 find_slaves (NMManager *manager,
2599              NMSettingsConnection *connection,
2600              NMDevice *device)
2601 {
2602         NMManagerPrivate *priv = NM_MANAGER_GET_PRIVATE (manager);
2603         GSList *all_connections, *iter;
2604         GSList *slaves = NULL;
2605         NMSettingConnection *s_con;
2606         const char *master;
2607
2608         s_con = nm_connection_get_setting_connection (NM_CONNECTION (connection));
2609         g_assert (s_con);
2610         master = nm_setting_connection_get_master (s_con);
2611
2612         if (master != NULL)
2613                 return NULL;  /* connection is not master */
2614
2615         /* Search through all connections, not only inactive ones, because
2616          * even if a slave was already active, it might be deactivated during
2617          * master reactivation.
2618          */
2619         all_connections = nm_settings_get_connections (priv->settings);
2620         for (iter = all_connections; iter; iter = iter->next) {
2621                 NMSettingsConnection *master_connection = NULL;
2622                 NMDevice *master_device = NULL;
2623                 NMConnection *candidate = iter->data;
2624
2625                 find_master (manager, candidate, NULL, &master_connection, &master_device, NULL, NULL);
2626                 if (   (master_connection && master_connection == connection)
2627                     || (master_device && master_device == device)) {
2628                         slaves = g_slist_prepend (slaves, candidate);
2629                 }
2630         }
2631         g_slist_free (all_connections);
2632
2633         return g_slist_reverse (slaves);
2634 }
2635
2636 static gboolean
2637 should_connect_slaves (NMConnection *connection, NMDevice *device)
2638 {
2639         NMSettingConnection *s_con;
2640         NMSettingConnectionAutoconnectSlaves autoconnect_slaves;
2641         gs_free char *value = NULL;
2642
2643         s_con = nm_connection_get_setting_connection (connection);
2644         g_assert (s_con);
2645
2646         /* Check autoconnect-slaves property */
2647         autoconnect_slaves = nm_setting_connection_get_autoconnect_slaves (s_con);
2648         if (autoconnect_slaves != NM_SETTING_CONNECTION_AUTOCONNECT_SLAVES_DEFAULT)
2649                 goto out;
2650
2651         /* Check configuration default for autoconnect-slaves property */
2652         value = nm_config_data_get_connection_default (NM_CONFIG_GET_DATA,
2653                                                        "connection.autoconnect-slaves", device);
2654         if (value)
2655                 autoconnect_slaves = _nm_utils_ascii_str_to_int64 (value, 10, 0, 1, -1);
2656
2657 out:
2658         if (autoconnect_slaves == NM_SETTING_CONNECTION_AUTOCONNECT_SLAVES_NO)
2659                 return FALSE;
2660         if (autoconnect_slaves == NM_SETTING_CONNECTION_AUTOCONNECT_SLAVES_YES)
2661                 return TRUE;
2662         return FALSE;
2663 }
2664
2665 static gboolean
2666 autoconnect_slaves (NMManager *self,
2667                     NMSettingsConnection *master_connection,
2668                     NMDevice *master_device,
2669                     NMAuthSubject *subject)
2670 {
2671         GError *local_err = NULL;
2672         gboolean ret = FALSE;
2673
2674         if (should_connect_slaves (NM_CONNECTION (master_connection), master_device)) {
2675                 GSList *slaves, *iter;
2676
2677                 iter = slaves = find_slaves (self, master_connection, master_device);
2678                 ret = slaves != NULL;
2679
2680                 while (iter) {
2681                         NMSettingsConnection *slave_connection = iter->data;
2682
2683                         iter = iter->next;
2684                         _LOGD (LOGD_CORE, "will activate slave connection '%s' (%s) as a dependency for master '%s' (%s)",
2685                                nm_settings_connection_get_id (slave_connection),
2686                                nm_settings_connection_get_uuid (slave_connection),
2687                                nm_settings_connection_get_id (master_connection),
2688                                nm_settings_connection_get_uuid (master_connection));
2689
2690                         /* Schedule slave activation */
2691                         nm_manager_activate_connection (self,
2692                                                         slave_connection,
2693                                                         NULL,
2694                                                         nm_manager_get_best_device_for_connection (self, NM_CONNECTION (slave_connection), FALSE),
2695                                                         subject,
2696                                                         &local_err);
2697                         if (local_err) {
2698                                 _LOGW (LOGD_CORE, "Slave connection activation failed: %s", local_err->message);
2699                                 g_error_free (local_err);
2700                         }
2701                 }
2702                 g_slist_free (slaves);
2703         }
2704         return ret;
2705 }
2706
2707 static gboolean
2708 _internal_activate_vpn (NMManager *self, NMActiveConnection *active, GError **error)
2709 {
2710         g_assert (NM_IS_VPN_CONNECTION (active));
2711
2712         nm_exported_object_export (NM_EXPORTED_OBJECT (active));
2713         return nm_vpn_manager_activate_connection (NM_MANAGER_GET_PRIVATE (self)->vpn_manager,
2714                                                    NM_VPN_CONNECTION (active),
2715                                                    error);
2716 }
2717
2718 /* Traverse the device to disconnected state. This means that the device is ready
2719  * for connection and will proceed activating if there's an activation request
2720  * enqueued.
2721  */
2722 static void
2723 unmanaged_to_disconnected (NMDevice *device)
2724 {
2725         /* when creating the software device, it can happen that the device is
2726          * still unmanaged by NM_UNMANAGED_PLATFORM_INIT because we didn't yet
2727          * get the udev event. At this point, we can no longer delay the activation
2728          * and force the device to be managed. */
2729         nm_device_set_unmanaged_by_flags (device, NM_UNMANAGED_PLATFORM_INIT, FALSE, NM_DEVICE_STATE_REASON_USER_REQUESTED);
2730
2731         nm_device_set_unmanaged_by_flags (device, NM_UNMANAGED_USER_EXPLICIT, FALSE, NM_DEVICE_STATE_REASON_USER_REQUESTED);
2732
2733         g_return_if_fail (nm_device_get_managed (device, FALSE));
2734
2735         if (nm_device_get_state (device) == NM_DEVICE_STATE_UNMANAGED) {
2736                 nm_device_state_changed (device,
2737                                          NM_DEVICE_STATE_UNAVAILABLE,
2738                                          NM_DEVICE_STATE_REASON_USER_REQUESTED);
2739         }
2740
2741         if (   nm_device_is_available (device, NM_DEVICE_CHECK_DEV_AVAILABLE_FOR_USER_REQUEST)
2742             && (nm_device_get_state (device) == NM_DEVICE_STATE_UNAVAILABLE)) {
2743                 nm_device_state_changed (device,
2744                                          NM_DEVICE_STATE_DISCONNECTED,
2745                                          NM_DEVICE_STATE_REASON_USER_REQUESTED);
2746         }
2747 }
2748
2749 /* The parent connection is ready; we can proceed realizing the device and
2750  * progressing the device to disconencted state.
2751  */
2752 static void
2753 active_connection_parent_active (NMActiveConnection *active,
2754                                  NMActiveConnection *parent_ac,
2755                                  NMManager *self)
2756 {
2757         NMDevice *device = nm_active_connection_get_device (active);
2758         GError *error = NULL;
2759
2760         g_signal_handlers_disconnect_by_func (active,
2761                                               (GCallback) active_connection_parent_active,
2762                                               self);
2763
2764         if (parent_ac) {
2765                 NMSettingsConnection *connection = nm_active_connection_get_settings_connection (active);
2766                 NMDevice *parent = nm_active_connection_get_device (parent_ac);
2767
2768                 if (nm_device_create_and_realize (device, (NMConnection *) connection, parent, &error)) {
2769                         /* We can now proceed to disconnected state so that activation proceeds. */
2770                         unmanaged_to_disconnected (device);
2771                 } else {
2772                         nm_log_warn (LOGD_CORE, "Could not realize device '%s': %s",
2773                                      nm_device_get_iface (device), error->message);
2774                         nm_active_connection_set_state (active, NM_ACTIVE_CONNECTION_STATE_DEACTIVATED);
2775                 }
2776         } else {
2777                 nm_log_warn (LOGD_CORE, "The parent connection device '%s' depended on disappeared.",
2778                              nm_device_get_iface (device));
2779                 nm_active_connection_set_state (active, NM_ACTIVE_CONNECTION_STATE_DEACTIVATED);
2780         }
2781 }
2782
2783 static gboolean
2784 _internal_activate_device (NMManager *self, NMActiveConnection *active, GError **error)
2785 {
2786         NMDevice *device, *existing, *master_device = NULL;
2787         NMConnection *applied;
2788         NMSettingsConnection *connection;
2789         NMSettingsConnection *master_connection = NULL;
2790         NMConnection *existing_connection = NULL;
2791         NMActiveConnection *master_ac = NULL;
2792         NMAuthSubject *subject;
2793         char *error_desc = NULL;
2794
2795         g_return_val_if_fail (NM_IS_MANAGER (self), FALSE);
2796         g_return_val_if_fail (NM_IS_ACTIVE_CONNECTION (active), FALSE);
2797         g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
2798
2799         g_assert (NM_IS_VPN_CONNECTION (active) == FALSE);
2800
2801         connection = nm_active_connection_get_settings_connection (active);
2802         g_assert (connection);
2803
2804         applied = nm_active_connection_get_applied_connection (active);
2805
2806         device = nm_active_connection_get_device (active);
2807         g_return_val_if_fail (device != NULL, FALSE);
2808
2809         /* If the device is active and its connection is not visible to the
2810          * user that's requesting this new activation, fail, since other users
2811          * should not be allowed to implicitly deactivate private connections
2812          * by activating a connection of their own.
2813          */
2814         existing_connection = nm_device_get_applied_connection (device);
2815         subject = nm_active_connection_get_subject (active);
2816         if (existing_connection &&
2817             !nm_auth_is_subject_in_acl (existing_connection,
2818                                         subject,
2819                                         &error_desc)) {
2820                 g_set_error (error,
2821                              NM_MANAGER_ERROR,
2822                              NM_MANAGER_ERROR_PERMISSION_DENIED,
2823                              "Private connection already active on the device: %s",
2824                              error_desc);
2825                 g_free (error_desc);
2826                 return FALSE;
2827         }
2828
2829         /* Final connection must be available on device */
2830         if (!nm_device_check_connection_available (device, applied, NM_DEVICE_CHECK_CON_AVAILABLE_FOR_USER_REQUEST, NULL)) {
2831                 g_set_error (error, NM_MANAGER_ERROR, NM_MANAGER_ERROR_UNKNOWN_CONNECTION,
2832                              "Connection '%s' is not available on the device %s at this time.",
2833                              nm_settings_connection_get_id (connection), nm_device_get_iface (device));
2834                 return FALSE;
2835         }
2836
2837         /* Create any backing resources the device needs */
2838         if (!nm_device_is_real (device)) {
2839                 NMDevice *parent;
2840
2841                 parent = find_parent_device_for_connection (self, (NMConnection *) connection, NULL);
2842
2843                 if (parent && !nm_device_is_real (parent)) {
2844                         NMSettingsConnection *parent_con;
2845                         NMActiveConnection *parent_ac;
2846
2847                         parent_con = nm_device_get_best_connection (parent, NULL, error);
2848                         if (!parent_con) {
2849                                 g_prefix_error (error, "%s failed to create parent: ", nm_device_get_iface (device));
2850                                 return FALSE;
2851                         }
2852
2853                         parent_ac = nm_manager_activate_connection (self, parent_con, NULL, parent, subject, error);
2854                         if (!parent_ac) {
2855                                 g_prefix_error (error, "%s failed to activate parent: ", nm_device_get_iface (device));
2856                                 return FALSE;
2857                         }
2858
2859                         /* We can't realize now; defer until the parent device is ready. */
2860                         g_signal_connect (active,
2861                                           NM_ACTIVE_CONNECTION_PARENT_ACTIVE,
2862                                           (GCallback) active_connection_parent_active,
2863                                           self);
2864                         nm_active_connection_set_parent (active, parent_ac);
2865                 } else {
2866                         /* We can realize now; no need to wait for a parent device. */
2867                         if (!nm_device_create_and_realize (device, (NMConnection *) connection, parent, error)) {
2868                                 g_prefix_error (error, "%s failed to create resources: ", nm_device_get_iface (device));
2869                                 return FALSE;
2870                         }
2871                 }
2872         }
2873
2874         /* Try to find the master connection/device if the connection has a dependency */
2875         if (!find_master (self, applied, device,
2876                           &master_connection, &master_device, &master_ac,
2877                           error)) {
2878                 g_prefix_error (error, "Can not find a master for %s: ",
2879                                 nm_settings_connection_get_id (connection));
2880                 return FALSE;
2881         }
2882
2883         /* Ensure there's a master active connection the new connection we're
2884          * activating can depend on.
2885          */
2886         if (master_connection || master_device) {
2887                 if (master_connection) {
2888                         _LOGD (LOGD_CORE, "Activation of '%s' requires master connection '%s'",
2889                                nm_settings_connection_get_id (connection),
2890                                nm_settings_connection_get_id (master_connection));
2891                 }
2892                 if (master_device) {
2893                         _LOGD (LOGD_CORE, "Activation of '%s' requires master device '%s'",
2894                                nm_settings_connection_get_id (connection),
2895                                nm_device_get_ip_iface (master_device));
2896                 }
2897
2898                 /* Ensure eg bond slave and the candidate master is a bond master */
2899                 if (master_connection && !is_compatible_with_slave (NM_CONNECTION (master_connection), applied)) {
2900                         g_set_error (error, NM_MANAGER_ERROR, NM_MANAGER_ERROR_DEPENDENCY_FAILED,
2901                                      "The master connection '%s' is not compatible with '%s'",
2902                                      nm_settings_connection_get_id (master_connection),
2903                                      nm_settings_connection_get_id (connection));
2904                         return FALSE;
2905                 }
2906
2907                 if (!master_ac) {
2908                         master_ac = ensure_master_active_connection (self,
2909                                                                      nm_active_connection_get_subject (active),
2910                                                                      applied,
2911                                                                      device,
2912                                                                      master_connection,
2913                                                                      master_device,
2914                                                                      error);
2915                         if (!master_ac) {
2916                                 if (master_device) {
2917                                         g_prefix_error (error, "Master device '%s' can't be activated: ",
2918                                                         nm_device_get_ip_iface (device));
2919                                 } else {
2920                                         g_prefix_error (error, "Master connection '%s' can't be activated: ",
2921                                                         nm_settings_connection_get_id (connection));
2922                                 }
2923                                 return FALSE;
2924                         }
2925                 }
2926
2927                 nm_active_connection_set_master (active, master_ac);
2928                 _LOGD (LOGD_CORE, "Activation of '%s' depends on active connection %p %s",
2929                        nm_settings_connection_get_id (connection),
2930                        master_ac,
2931                        nm_exported_object_get_path (NM_EXPORTED_OBJECT  (master_ac)) ?: "");
2932         }
2933
2934         /* Check slaves for master connection and possibly activate them */
2935         autoconnect_slaves (self, connection, device, nm_active_connection_get_subject (active));
2936
2937         /* Disconnect the connection if connected or queued on another device */
2938         existing = nm_manager_get_connection_device (self, NM_CONNECTION (connection));
2939         if (existing)
2940                 nm_device_steal_connection (existing, connection);
2941
2942         /* If the device is there, we can ready it for the activation. */
2943         if (nm_device_is_real (device))
2944                 unmanaged_to_disconnected (device);
2945
2946         /* Export the new ActiveConnection to clients and start it on the device */
2947         nm_exported_object_export (NM_EXPORTED_OBJECT (active));
2948         nm_device_queue_activation (device, NM_ACT_REQUEST (active));
2949         return TRUE;
2950 }
2951
2952 static gboolean
2953 _internal_activate_generic (NMManager *self, NMActiveConnection *active, GError **error)
2954 {
2955         NMManagerPrivate *priv = NM_MANAGER_GET_PRIVATE (self);
2956         gboolean success = FALSE;
2957
2958         /* Ensure activation request is still valid, eg that its device hasn't gone
2959          * away or that some other dependency has not failed.
2960          */
2961         if (nm_active_connection_get_state (active) >= NM_ACTIVE_CONNECTION_STATE_DEACTIVATING) {
2962                 g_set_error_literal (error,
2963                                      NM_MANAGER_ERROR,
2964                                      NM_MANAGER_ERROR_DEPENDENCY_FAILED,
2965                                      "Activation failed because dependencies failed.");
2966                 return FALSE;
2967         }
2968
2969         if (NM_IS_VPN_CONNECTION (active))
2970                 success = _internal_activate_vpn (self, active, error);
2971         else
2972                 success = _internal_activate_device (self, active, error);
2973
2974         if (success) {
2975                 /* Force an update of the Manager's activating-connection property.
2976                  * The device changes state before the AC gets exported, which causes
2977                  * the manager's 'activating-connection' property to be NULL since the
2978                  * AC only gets a D-Bus path when it's exported.  So now that the AC
2979                  * is exported, make sure the manager's activating-connection property
2980                  * is up-to-date.
2981                  */
2982                 active_connection_add (self, active);
2983                 policy_activating_device_changed (G_OBJECT (priv->policy), NULL, self);
2984         }
2985
2986         return success;
2987 }
2988
2989 static NMActiveConnection *
2990 _new_vpn_active_connection (NMManager *self,
2991                             NMSettingsConnection *settings_connection,
2992                             const char *specific_object,
2993                             NMAuthSubject *subject,
2994                             GError **error)
2995 {
2996         NMManagerPrivate *priv = NM_MANAGER_GET_PRIVATE (self);
2997         NMActiveConnection *parent = NULL;
2998         NMDevice *device = NULL;
2999
3000         g_return_val_if_fail (!settings_connection || NM_IS_SETTINGS_CONNECTION (settings_connection), NULL);
3001
3002         if (specific_object) {
3003                 /* Find the specific connection the client requested we use */
3004                 parent = active_connection_get_by_path (self, specific_object);
3005                 if (!parent) {
3006                         g_set_error_literal (error, NM_MANAGER_ERROR, NM_MANAGER_ERROR_CONNECTION_NOT_ACTIVE,
3007                                              "Base connection for VPN connection not active.");
3008                         return NULL;
3009                 }
3010         } else
3011                 parent = priv->primary_connection;
3012
3013         if (!parent) {
3014                 g_set_error_literal (error, NM_MANAGER_ERROR, NM_MANAGER_ERROR_UNKNOWN_CONNECTION,
3015                                      "Could not find source connection.");
3016                 return NULL;
3017         }
3018
3019         device = nm_active_connection_get_device (parent);
3020         if (!device) {
3021                 g_set_error_literal (error, NM_MANAGER_ERROR, NM_MANAGER_ERROR_UNKNOWN_DEVICE,
3022                                      "Source connection had no active device.");
3023                 return NULL;
3024         }
3025
3026         return (NMActiveConnection *) nm_vpn_connection_new (settings_connection,
3027                                                              device,
3028                                                              nm_exported_object_get_path (NM_EXPORTED_OBJECT (parent)),
3029                                                              subject);
3030 }
3031
3032 static NMActiveConnection *
3033 _new_active_connection (NMManager *self,
3034                         NMConnection *connection,
3035                         const char *specific_object,
3036                         NMDevice *device,
3037                         NMAuthSubject *subject,
3038                         GError **error)
3039 {
3040         NMSettingsConnection *settings_connection = NULL;
3041         NMActiveConnection *existing_ac;
3042         gboolean is_vpn;
3043
3044         g_return_val_if_fail (NM_IS_CONNECTION (connection), NULL);
3045         g_return_val_if_fail (NM_IS_AUTH_SUBJECT (subject), NULL);
3046
3047         /* Can't create new AC for already-active connection */
3048         existing_ac = find_ac_for_connection (self, connection);
3049         if (NM_IS_VPN_CONNECTION (existing_ac)) {
3050                 g_set_error (error, NM_MANAGER_ERROR, NM_MANAGER_ERROR_CONNECTION_ALREADY_ACTIVE,
3051                              "Connection '%s' is already active",
3052                              nm_connection_get_id (connection));
3053                 return NULL;
3054         }
3055
3056         /* Normalize the specific object */
3057         if (specific_object && g_strcmp0 (specific_object, "/") == 0)
3058                 specific_object = NULL;
3059
3060         is_vpn = nm_connection_is_type (NM_CONNECTION (connection), NM_SETTING_VPN_SETTING_NAME);
3061
3062         if (NM_IS_SETTINGS_CONNECTION (connection))
3063                 settings_connection = (NMSettingsConnection *) connection;
3064
3065         if (is_vpn) {
3066                 return _new_vpn_active_connection (self,
3067                                                    settings_connection,
3068                                                    specific_object,
3069                                                    subject,
3070                                                    error);
3071         }
3072
3073         return (NMActiveConnection *) nm_act_request_new (settings_connection,
3074                                                           specific_object,
3075                                                           subject,
3076                                                           device);
3077 }
3078
3079 static void
3080 _internal_activation_failed (NMManager *self,
3081                              NMActiveConnection *active,
3082                              const char *error_desc)
3083 {
3084         _LOGD (LOGD_CORE, "Failed to activate '%s': %s",
3085                nm_active_connection_get_settings_connection_id (active),
3086                error_desc);
3087
3088         if (nm_active_connection_get_state (active) <= NM_ACTIVE_CONNECTION_STATE_ACTIVATED) {
3089                 nm_active_connection_set_state (active, NM_ACTIVE_CONNECTION_STATE_DEACTIVATING);
3090                 nm_active_connection_set_state (active, NM_ACTIVE_CONNECTION_STATE_DEACTIVATED);
3091         }
3092 }
3093
3094 static void
3095 _internal_activation_auth_done (NMActiveConnection *active,
3096                                 gboolean success,
3097                                 const char *error_desc,
3098                                 gpointer user_data1,
3099                                 gpointer user_data2)
3100 {
3101         NMManager *self = user_data1;
3102         NMManagerPrivate *priv = NM_MANAGER_GET_PRIVATE (self);
3103         GError *error = NULL;
3104
3105         priv->authorizing_connections = g_slist_remove (priv->authorizing_connections, active);
3106
3107         if (success) {
3108                 if (_internal_activate_generic (self, active, &error)) {
3109                         g_object_unref (active);
3110                         return;
3111                 }
3112         }
3113
3114         g_assert (error_desc || error);
3115         _internal_activation_failed (self, active, error_desc ? error_desc : error->message);
3116         g_object_unref (active);
3117         g_clear_error (&error);
3118 }
3119
3120 /**
3121  * nm_manager_activate_connection():
3122  * @self: the #NMManager
3123  * @connection: the #NMSettingsConnection to activate on @device
3124  * @specific_object: the specific object path, if any, for the activation
3125  * @device: the #NMDevice to activate @connection on
3126  * @subject: the subject which requested activation
3127  * @error: return location for an error
3128  *
3129  * Begins a new internally-initiated activation of @connection on @device.
3130  * @subject should be the subject of the activation that triggered this
3131  * one, or if this is an autoconnect request, a new internal subject.
3132  * The returned #NMActiveConnection is owned by the Manager and should be
3133  * referenced by the caller if the caller continues to use it.
3134  *
3135  * Returns: (transfer none): the new #NMActiveConnection that tracks
3136  * activation of @connection on @device
3137  */
3138 NMActiveConnection *
3139 nm_manager_activate_connection (NMManager *self,
3140                                 NMSettingsConnection *connection,
3141                                 const char *specific_object,
3142                                 NMDevice *device,
3143                                 NMAuthSubject *subject,
3144                                 GError **error)
3145 {
3146         NMManagerPrivate *priv = NM_MANAGER_GET_PRIVATE (self);
3147         NMActiveConnection *active;
3148         char *error_desc = NULL;
3149         GSList *iter;
3150
3151         g_return_val_if_fail (self != NULL, NULL);
3152         g_return_val_if_fail (connection != NULL, NULL);
3153         g_return_val_if_fail (error != NULL, NULL);
3154         g_return_val_if_fail (*error == NULL, NULL);
3155
3156         /* Ensure the subject has permissions for this connection */
3157         if (!nm_auth_is_subject_in_acl (NM_CONNECTION (connection),
3158                                         subject,
3159                                         &error_desc)) {
3160                 g_set_error_literal (error,
3161                                      NM_MANAGER_ERROR,
3162                                      NM_MANAGER_ERROR_PERMISSION_DENIED,
3163                                      error_desc);
3164                 g_free (error_desc);
3165                 return NULL;
3166         }
3167
3168         /* Look for a active connection that's equivalent and is already pending authorization
3169          * and eventual activation. This is used to de-duplicate concurrent activations which would
3170          * otherwise race and cause the device to disconnect and reconnect repeatedly.
3171          * In particular, this allows the master and multiple slaves to concurrently auto-activate
3172          * while all the slaves would use the same active-connection. */
3173         for (iter = priv->authorizing_connections; iter; iter = g_slist_next (iter)) {
3174                 active = iter->data;
3175
3176                 if (   connection == nm_active_connection_get_settings_connection (active)
3177                     && g_strcmp0 (nm_active_connection_get_specific_object (active), specific_object) == 0
3178                     && nm_active_connection_get_device (active) == device
3179                     && nm_auth_subject_is_internal (nm_active_connection_get_subject (active))
3180                     && nm_auth_subject_is_internal (subject))
3181                         return active;
3182         }
3183
3184         active = _new_active_connection (self,
3185                                          NM_CONNECTION (connection),
3186                                          specific_object,
3187                                          device,
3188                                          subject,
3189                                          error);
3190         if (active) {
3191                 priv->authorizing_connections = g_slist_prepend (priv->authorizing_connections, active);
3192                 nm_active_connection_authorize (active, NULL, _internal_activation_auth_done, self, NULL);
3193         }
3194         return active;
3195 }
3196
3197 /**
3198  * validate_activation_request:
3199  * @self: the #NMManager
3200  * @context: the D-Bus context of the requestor
3201  * @connection: the partial or complete #NMConnection to be activated
3202  * @device_path: the object path of the device to be activated, or "/"
3203  * @out_device: on successful reutrn, the #NMDevice to be activated with @connection
3204  * @out_vpn: on successful return, %TRUE if @connection is a VPN connection
3205  * @error: location to store an error on failure
3206  *
3207  * Performs basic validation on an activation request, including ensuring that
3208  * the requestor is a valid Unix process, is not disallowed in @connection
3209  * permissions, and that a device exists that can activate @connection.
3210  *
3211  * Returns: on success, the #NMAuthSubject representing the requestor, or
3212  *   %NULL on error
3213  */
3214 static NMAuthSubject *
3215 validate_activation_request (NMManager *self,
3216                              GDBusMethodInvocation *context,
3217                              NMConnection *connection,
3218                              const char *device_path,
3219                              NMDevice **out_device,
3220                              gboolean *out_vpn,
3221                              GError **error)
3222 {
3223         NMDevice *device = NULL;
3224         gboolean vpn = FALSE;
3225         NMAuthSubject *subject = NULL;
3226         char *error_desc = NULL;
3227
3228         g_assert (connection);
3229         g_assert (out_device);
3230         g_assert (out_vpn);
3231
3232         /* Validate the caller */
3233         subject = nm_auth_subject_new_unix_process_from_context (context);
3234         if (!subject) {
3235                 g_set_error_literal (error,
3236                                      NM_MANAGER_ERROR,
3237                                      NM_MANAGER_ERROR_PERMISSION_DENIED,
3238                                      "Failed to get request UID.");
3239                 return NULL;
3240         }
3241
3242         /* Ensure the subject has permissions for this connection */
3243         if (!nm_auth_is_subject_in_acl (connection,
3244                                         subject,
3245                                         &error_desc)) {
3246                 g_set_error_literal (error,
3247                                      NM_MANAGER_ERROR,
3248                                      NM_MANAGER_ERROR_PERMISSION_DENIED,
3249                                      error_desc);
3250                 g_free (error_desc);
3251                 goto error;
3252         }
3253
3254         /* Not implemented yet, we want to fail early */
3255         if (   nm_connection_get_setting_connection (connection)
3256             && nm_connection_get_setting_ip6_config (connection)
3257             && !strcmp (nm_utils_get_ip_config_method (connection, NM_TYPE_SETTING_IP6_CONFIG),
3258                         NM_SETTING_IP6_CONFIG_METHOD_SHARED)) {
3259                 g_set_error_literal (error,
3260                                      NM_MANAGER_ERROR,
3261                                      NM_MANAGER_ERROR_CONNECTION_NOT_AVAILABLE,
3262                                      "Sharing IPv6 connections is not supported yet.");
3263                 return NULL;
3264         }
3265
3266         /* Check whether it's a VPN or not */
3267         if (   nm_connection_get_setting_vpn (connection)
3268             || nm_connection_is_type (connection, NM_SETTING_VPN_SETTING_NAME))
3269                 vpn = TRUE;
3270
3271         /* Normalize device path */
3272         if (device_path && g_strcmp0 (device_path, "/") == 0)
3273                 device_path = NULL;
3274
3275         /* And validate it */
3276         if (device_path) {
3277                 device = nm_manager_get_device_by_path (self, device_path);
3278                 if (!device) {
3279                         g_set_error_literal (error,
3280                                              NM_MANAGER_ERROR,
3281                                              NM_MANAGER_ERROR_UNKNOWN_DEVICE,
3282                                              "Device not found");
3283                         goto error;
3284                 }
3285         } else
3286                 device = nm_manager_get_best_device_for_connection (self, connection, TRUE);
3287
3288         if (!device && !vpn) {
3289                 gboolean is_software = nm_connection_is_virtual (connection);
3290
3291                 /* VPN and software-device connections don't need a device yet */
3292                 if (!is_software) {
3293                         g_set_error_literal (error,
3294                                              NM_MANAGER_ERROR,
3295                                              NM_MANAGER_ERROR_UNKNOWN_DEVICE,
3296                                              "No suitable device found for this connection.");
3297                         goto error;
3298                 }
3299
3300                 if (is_software) {
3301                         char *iface;
3302
3303                         /* Look for an existing device with the connection's interface name */
3304                         iface = nm_manager_get_connection_iface (self, connection, NULL, error);
3305                         if (!iface)
3306                                 goto error;
3307
3308                         device = find_device_by_iface (self, iface, connection, NULL);
3309                         g_free (iface);
3310                 }
3311         }
3312
3313         if ((!vpn || device_path) && !device) {
3314                 g_set_error_literal (error,
3315                                      NM_MANAGER_ERROR,
3316                                      NM_MANAGER_ERROR_UNKNOWN_DEVICE,
3317                                      "Failed to find a compatible device for this connection");
3318                 goto error;
3319         }
3320
3321         *out_device = device;
3322         *out_vpn = vpn;
3323         return subject;
3324
3325 error:
3326         g_object_unref (subject);
3327         return NULL;
3328 }
3329
3330 /***********************************************************************/
3331
3332 static void
3333 _activation_auth_done (NMActiveConnection *active,
3334                        gboolean success,
3335                        const char *error_desc,
3336                        gpointer user_data1,
3337                        gpointer user_data2)
3338 {
3339         NMManager *self = user_data1;
3340         GDBusMethodInvocation *context = user_data2;
3341         GError *error = NULL;
3342         NMAuthSubject *subject;
3343         NMSettingsConnection *connection;
3344
3345         subject = nm_active_connection_get_subject (active);
3346         connection = nm_active_connection_get_settings_connection (active);
3347
3348         if (success) {
3349                 if (_internal_activate_generic (self, active, &error)) {
3350                         g_dbus_method_invocation_return_value (context,
3351                                                                g_variant_new ("(o)",
3352                                                                nm_exported_object_get_path (NM_EXPORTED_OBJECT (active))));
3353                         nm_audit_log_connection_op (NM_AUDIT_OP_CONN_ACTIVATE, connection, TRUE,
3354                                                     subject, NULL);
3355                         g_object_unref (active);
3356                         return;
3357                 }
3358         } else {
3359                 error = g_error_new_literal (NM_MANAGER_ERROR,
3360                                              NM_MANAGER_ERROR_PERMISSION_DENIED,
3361                                              error_desc);
3362         }
3363
3364         g_assert (error);
3365         nm_audit_log_connection_op (NM_AUDIT_OP_CONN_ACTIVATE, connection, FALSE,
3366                                     subject, error->message);
3367         _internal_activation_failed (self, active, error->message);
3368
3369         g_object_unref (active);
3370         g_dbus_method_invocation_take_error (context, error);
3371 }
3372
3373 static void
3374 impl_manager_activate_connection (NMManager *self,
3375                                   GDBusMethodInvocation *context,
3376                                   const char *connection_path,
3377                                   const char *device_path,
3378                                   const char *specific_object_path)
3379 {
3380         NMManagerPrivate *priv = NM_MANAGER_GET_PRIVATE (self);
3381         NMActiveConnection *active = NULL;
3382         NMAuthSubject *subject = NULL;
3383         NMSettingsConnection *connection = NULL;
3384         NMDevice *device = NULL;
3385         gboolean is_vpn = FALSE;
3386         GError *error = NULL;
3387
3388         /* Normalize object paths */
3389         if (g_strcmp0 (connection_path, "/") == 0)
3390                 connection_path = NULL;
3391         if (g_strcmp0 (specific_object_path, "/") == 0)
3392                 specific_object_path = NULL;
3393         if (g_strcmp0 (device_path, "/") == 0)
3394                 device_path = NULL;
3395
3396         /* If the connection path is given and valid, that connection is activated.
3397          * Otherwise the "best" connection for the device is chosen and activated,
3398          * regardless of whether that connection is autoconnect-enabled or not
3399          * (since this is an explicit request, not an auto-activation request).
3400          */
3401         if (connection_path) {
3402                 connection = nm_settings_get_connection_by_path (priv->settings, connection_path);
3403                 if (!connection) {
3404                         error = g_error_new_literal (NM_MANAGER_ERROR,
3405                                                      NM_MANAGER_ERROR_UNKNOWN_CONNECTION,
3406                                                      "Connection could not be found.");
3407                         goto error;
3408                 }
3409         } else {
3410                 /* If no connection is given, find a suitable connection for the given device path */
3411                 if (!device_path) {
3412                         error = g_error_new_literal (NM_MANAGER_ERROR, NM_MANAGER_ERROR_UNKNOWN_DEVICE,
3413                                                      "Only devices may be activated without a specifying a connection");
3414                         goto error;
3415                 }
3416                 device = nm_manager_get_device_by_path (self, device_path);
3417                 if (!device) {
3418                         error = g_error_new (NM_MANAGER_ERROR, NM_MANAGER_ERROR_UNKNOWN_DEVICE,
3419                                              "Can not activate an unknown device '%s'", device_path);
3420                         goto error;
3421                 }
3422
3423                 connection = nm_device_get_best_connection (device, specific_object_path, &error);
3424                 if (!connection)
3425                         goto error;
3426         }
3427
3428         subject = validate_activation_request (self,
3429                                                context,
3430                                                NM_CONNECTION (connection),
3431                                                device_path,
3432                                                &device,
3433                                                &is_vpn,
3434                                                &error);
3435         if (!subject)
3436                 goto error;
3437
3438         active = _new_active_connection (self,
3439                                          NM_CONNECTION (connection),
3440                                          specific_object_path,
3441                                          device,
3442                                          subject,
3443                                          &error);
3444         if (!active)
3445                 goto error;
3446
3447         nm_active_connection_authorize (active, NULL, _activation_auth_done, self, context);
3448         g_clear_object (&subject);
3449         return;
3450
3451 error:
3452         if (connection) {
3453                 nm_audit_log_connection_op (NM_AUDIT_OP_CONN_ACTIVATE, connection, FALSE,
3454                                             subject, error->message);
3455         }
3456         g_clear_object (&active);
3457         g_clear_object (&subject);
3458
3459         g_assert (error);
3460         g_dbus_method_invocation_take_error (context, error);
3461 }
3462
3463 /***********************************************************************/
3464
3465 typedef struct {
3466         NMManager *manager;
3467         NMActiveConnection *active;
3468 } AddAndActivateInfo;
3469
3470 static void
3471 activation_add_done (NMSettings *settings,
3472                      NMSettingsConnection *new_connection,
3473                      GError *error,
3474                      GDBusMethodInvocation *context,
3475                      NMAuthSubject *subject,
3476                      gpointer user_data)
3477 {
3478         AddAndActivateInfo *info = user_data;
3479         NMManager *self;
3480         gs_unref_object NMActiveConnection *active = NULL;
3481         GError *local = NULL;
3482
3483         self = info->manager;
3484         active = info->active;
3485         g_slice_free (AddAndActivateInfo, info);
3486
3487         if (!error) {
3488                 nm_active_connection_set_settings_connection (active, new_connection);
3489
3490                 if (_internal_activate_generic (self, active, &local)) {
3491                         nm_settings_connection_commit_changes (new_connection,
3492                                                                NM_SETTINGS_CONNECTION_COMMIT_REASON_USER_ACTION | NM_SETTINGS_CONNECTION_COMMIT_REASON_ID_CHANGED,
3493                                                                NULL, NULL);
3494                         g_dbus_method_invocation_return_value (
3495                             context,
3496                             g_variant_new ("(oo)",
3497                                            nm_connection_get_path (NM_CONNECTION (new_connection)),
3498                                            nm_exported_object_get_path (NM_EXPORTED_OBJECT (active))));
3499                         nm_audit_log_connection_op (NM_AUDIT_OP_CONN_ADD_ACTIVATE,
3500                                                     nm_active_connection_get_settings_connection (active),
3501                                                     TRUE,
3502                                                     nm_active_connection_get_subject (active),
3503                                                     NULL);
3504                         return;
3505                 }
3506                 error = local;
3507         }
3508
3509         g_assert (error);
3510         _internal_activation_failed (self, active, error->message);
3511         nm_settings_connection_delete (new_connection, NULL, NULL);
3512         g_dbus_method_invocation_return_gerror (context, error);
3513         nm_audit_log_connection_op (NM_AUDIT_OP_CONN_ADD_ACTIVATE,
3514                                     NULL,
3515                                     FALSE,
3516                                     nm_active_connection_get_subject (active),
3517                                     error->message);
3518         g_object_unref (active);
3519         g_clear_error (&local);
3520 }
3521
3522 static void
3523 _add_and_activate_auth_done (NMActiveConnection *active,
3524                              gboolean success,
3525                              const char *error_desc,
3526                              gpointer user_data1,
3527                              gpointer user_data2)
3528 {
3529         NMManager *self = user_data1;
3530         NMManagerPrivate *priv = NM_MANAGER_GET_PRIVATE (self);
3531         GDBusMethodInvocation *context = user_data2;
3532         AddAndActivateInfo *info;
3533         GError *error = NULL;
3534
3535         if (success) {
3536                 NMConnection *connection;
3537
3538                 connection = g_object_steal_data (G_OBJECT (active),
3539                                                   TAG_ACTIVE_CONNETION_ADD_AND_ACTIVATE);
3540
3541                 info = g_slice_new (AddAndActivateInfo);
3542                 info->manager = self;
3543                 info->active = g_object_ref (active);
3544
3545                 /* Basic sender auth checks performed; try to add the connection */
3546                 nm_settings_add_connection_dbus (priv->settings,
3547                                                  connection,
3548                                                  FALSE,
3549                                                  context,
3550                                                  activation_add_done,
3551                                                  info);
3552                 g_object_unref (connection);
3553         } else {
3554                 g_assert (error_desc);
3555                 error = g_error_new_literal (NM_MANAGER_ERROR,
3556                                              NM_MANAGER_ERROR_PERMISSION_DENIED,
3557                                              error_desc);
3558                 nm_audit_log_connection_op (NM_AUDIT_OP_CONN_ADD_ACTIVATE,
3559                                             NULL,
3560                                             FALSE,
3561                                             nm_active_connection_get_subject (active),
3562                                             error->message);
3563                 g_dbus_method_invocation_take_error (context, error);
3564         }
3565
3566         g_object_unref (active);
3567 }
3568
3569 static void
3570 impl_manager_add_and_activate_connection (NMManager *self,
3571                                           GDBusMethodInvocation *context,
3572                                           GVariant *settings,
3573                                           const char *device_path,
3574                                           const char *specific_object_path)
3575 {
3576         NMManagerPrivate *priv = NM_MANAGER_GET_PRIVATE (self);
3577         NMConnection *connection = NULL;
3578         GSList *all_connections = NULL;
3579         NMActiveConnection *active = NULL;
3580         NMAuthSubject *subject = NULL;
3581         GError *error = NULL;
3582         NMDevice *device = NULL;
3583         gboolean vpn = FALSE;
3584
3585         /* Normalize object paths */
3586         if (g_strcmp0 (specific_object_path, "/") == 0)
3587                 specific_object_path = NULL;
3588         if (g_strcmp0 (device_path, "/") == 0)
3589                 device_path = NULL;
3590
3591         /* Try to create a new connection with the given settings.
3592          * We allow empty settings for AddAndActivateConnection(). In that case,
3593          * the connection will be completed in nm_utils_complete_generic() or
3594          * nm_device_complete_connection() below. Just make sure we don't expect
3595          * specific data being in the connection till then (especially in
3596          * validate_activation_request()).
3597          */
3598         connection = nm_simple_connection_new ();
3599         if (settings && g_variant_n_children (settings))
3600                 _nm_connection_replace_settings (connection, settings, NM_SETTING_PARSE_FLAGS_STRICT, NULL);
3601
3602         subject = validate_activation_request (self,
3603                                                context,
3604                                                connection,
3605                                                device_path,
3606                                                &device,
3607                                                &vpn,
3608                                                &error);
3609         if (!subject)
3610                 goto error;
3611
3612         all_connections = nm_settings_get_connections (priv->settings);
3613         if (vpn) {
3614                 /* Try to fill the VPN's connection setting and name at least */
3615                 if (!nm_connection_get_setting_vpn (connection)) {
3616                         error = g_error_new_literal (NM_CONNECTION_ERROR,
3617                                                      NM_CONNECTION_ERROR_MISSING_SETTING,
3618                                                      "VPN connections require a 'vpn' setting");
3619                         g_prefix_error (&error, "%s: ", NM_SETTING_VPN_SETTING_NAME);
3620                         goto error;
3621                 }
3622
3623                 nm_utils_complete_generic (NM_PLATFORM_GET,
3624                                            connection,
3625                                            NM_SETTING_VPN_SETTING_NAME,
3626                                            all_connections,
3627                                            NULL,
3628                                            _("VPN connection"),
3629                                            NULL,
3630                                            FALSE); /* No IPv6 by default for now */
3631         } else {
3632                 /* Let each device subclass complete the connection */
3633                 if (!nm_device_complete_connection (device,
3634                                                     connection,
3635                                                     specific_object_path,
3636                                                     all_connections,
3637                                                     &error))
3638                         goto error;
3639         }
3640         g_slist_free (all_connections);
3641         all_connections = NULL;
3642
3643         active = _new_active_connection (self,
3644                                          connection,
3645                                          specific_object_path,
3646                                          device,
3647                                          subject,
3648                                          &error);
3649         if (!active)
3650                 goto error;
3651
3652         g_object_set_data_full (G_OBJECT (active),
3653                                 TAG_ACTIVE_CONNETION_ADD_AND_ACTIVATE,
3654                                 connection,
3655                                 g_object_unref);
3656
3657         nm_active_connection_authorize (active, connection, _add_and_activate_auth_done, self, context);
3658         g_object_unref (subject);
3659         return;
3660
3661 error:
3662         nm_audit_log_connection_op (NM_AUDIT_OP_CONN_ADD_ACTIVATE, NULL, FALSE, subject, error->message);
3663         g_clear_object (&connection);
3664         g_slist_free (all_connections);
3665         g_clear_object (&subject);
3666         g_clear_object (&active);
3667
3668         g_assert (error);
3669         g_dbus_method_invocation_take_error (context, error);
3670 }
3671
3672 /***********************************************************************/
3673
3674 gboolean
3675 nm_manager_deactivate_connection (NMManager *manager,
3676                                   const char *connection_path,
3677                                   NMDeviceStateReason reason,
3678                                   GError **error)
3679 {
3680         NMActiveConnection *active;
3681         gboolean success = FALSE;
3682
3683         active = active_connection_get_by_path (manager, connection_path);
3684         if (!active) {
3685                 g_set_error_literal (error, NM_MANAGER_ERROR, NM_MANAGER_ERROR_CONNECTION_NOT_ACTIVE,
3686                                      "The connection was not active.");
3687                 return FALSE;
3688         }
3689
3690         if (NM_IS_VPN_CONNECTION (active)) {
3691                 NMVpnConnectionStateReason vpn_reason = NM_VPN_CONNECTION_STATE_REASON_USER_DISCONNECTED;
3692
3693                 if (reason == NM_DEVICE_STATE_REASON_CONNECTION_REMOVED)
3694                         vpn_reason = NM_VPN_CONNECTION_STATE_REASON_CONNECTION_REMOVED;
3695                 if (nm_vpn_connection_deactivate (NM_VPN_CONNECTION (active), vpn_reason, FALSE))
3696                         success = TRUE;
3697                 else
3698                         g_set_error_literal (error, NM_MANAGER_ERROR, NM_MANAGER_ERROR_CONNECTION_NOT_ACTIVE,
3699                                              "The VPN connection was not active.");
3700         } else {
3701                 g_assert (NM_IS_ACT_REQUEST (active));
3702                 nm_device_state_changed (nm_active_connection_get_device (active),
3703                                          NM_DEVICE_STATE_DEACTIVATING,
3704                                          reason);
3705                 success = TRUE;
3706         }
3707
3708         if (success)
3709                 g_object_notify (G_OBJECT (manager), NM_MANAGER_ACTIVE_CONNECTIONS);
3710
3711         return success;
3712 }
3713
3714 static void
3715 deactivate_net_auth_done_cb (NMAuthChain *chain,
3716                              GError *auth_error,
3717                              GDBusMethodInvocation *context,
3718                              gpointer user_data)
3719 {
3720         NMManager *self = NM_MANAGER (user_data);
3721         NMManagerPrivate *priv = NM_MANAGER_GET_PRIVATE (self);
3722         GError *error = NULL;
3723         NMAuthCallResult result;
3724         NMActiveConnection *active;
3725         char *path;
3726
3727         g_assert (context);
3728
3729         priv->auth_chains = g_slist_remove (priv->auth_chains, chain);
3730
3731         path = nm_auth_chain_get_data (chain, "path");
3732         result = nm_auth_chain_get_result (chain, NM_AUTH_PERMISSION_NETWORK_CONTROL);
3733
3734         if (auth_error) {
3735                 _LOGD (LOGD_CORE, "Disconnect request failed: %s", auth_error->message);
3736                 error = g_error_new (NM_MANAGER_ERROR,
3737                                      NM_MANAGER_ERROR_PERMISSION_DENIED,
3738                                      "Deactivate request failed: %s",
3739                                      auth_error->message);
3740         } else if (result != NM_AUTH_CALL_RESULT_YES) {
3741                 error = g_error_new_literal (NM_MANAGER_ERROR,
3742                                              NM_MANAGER_ERROR_PERMISSION_DENIED,
3743                                              "Not authorized to deactivate connections");
3744         } else {
3745                 /* success; deactivation allowed */
3746                 if (!nm_manager_deactivate_connection (self,
3747                                                        path,
3748                                                        NM_DEVICE_STATE_REASON_USER_REQUESTED,
3749                                                        &error))
3750                         nm_assert (error);
3751         }
3752
3753         active = active_connection_get_by_path (self, path);
3754         if (active) {
3755                 nm_audit_log_connection_op (NM_AUDIT_OP_CONN_DEACTIVATE,
3756                                             nm_active_connection_get_settings_connection (active),
3757                                             !error,
3758                                             nm_auth_chain_get_subject (chain),
3759                                             error ? error->message : NULL);
3760         }
3761
3762         if (error)
3763                 g_dbus_method_invocation_take_error (context, error);
3764         else
3765                 g_dbus_method_invocation_return_value (context, NULL);
3766
3767         nm_auth_chain_unref (chain);
3768 }
3769
3770 static void
3771 impl_manager_deactivate_connection (NMManager *self,
3772                                     GDBusMethodInvocation *context,
3773                                     const char *active_path)
3774 {
3775         NMManagerPrivate *priv = NM_MANAGER_GET_PRIVATE (self);
3776         NMActiveConnection *ac;
3777         NMSettingsConnection *connection = NULL;
3778         GError *error = NULL;
3779         NMAuthSubject *subject = NULL;
3780         NMAuthChain *chain;
3781         char *error_desc = NULL;
3782
3783         /* Find the connection by its object path */
3784         ac = active_connection_get_by_path (self, active_path);
3785         if (ac)
3786                 connection = nm_active_connection_get_settings_connection (ac);
3787
3788         if (!connection) {
3789                 error = g_error_new_literal (NM_MANAGER_ERROR,
3790                                              NM_MANAGER_ERROR_CONNECTION_NOT_ACTIVE,
3791                                              "The connection was not active.");
3792                 goto done;
3793         }
3794
3795         /* Validate the caller */
3796         subject = nm_auth_subject_new_unix_process_from_context (context);
3797         if (!subject) {
3798                 error = g_error_new_literal (NM_MANAGER_ERROR,
3799                                              NM_MANAGER_ERROR_PERMISSION_DENIED,
3800                                              "Failed to get request UID.");
3801                 goto done;
3802         }
3803
3804         /* Ensure the subject has permissions for this connection */
3805         if (!nm_auth_is_subject_in_acl (NM_CONNECTION (connection),
3806                                         subject,
3807                                         &error_desc)) {
3808                 error = g_error_new_literal (NM_MANAGER_ERROR,
3809                                              NM_MANAGER_ERROR_PERMISSION_DENIED,
3810                                              error_desc);
3811                 g_free (error_desc);
3812                 goto done;
3813         }
3814
3815         /* Validate the user request */
3816         chain = nm_auth_chain_new_subject (subject, context, deactivate_net_auth_done_cb, self);
3817         if (!chain) {
3818                 error = g_error_new_literal (NM_MANAGER_ERROR,
3819                                              NM_MANAGER_ERROR_PERMISSION_DENIED,
3820                                              "Unable to authenticate request.");
3821                 goto done;
3822         }
3823
3824         priv->auth_chains = g_slist_append (priv->auth_chains, chain);
3825         nm_auth_chain_set_data (chain, "path", g_strdup (active_path), g_free);
3826         nm_auth_chain_add_call (chain, NM_AUTH_PERMISSION_NETWORK_CONTROL, TRUE);
3827
3828 done:
3829         if (error) {
3830                 if (connection) {
3831                         nm_audit_log_connection_op (NM_AUDIT_OP_CONN_DEACTIVATE, connection, FALSE,
3832                                                     subject, error->message);
3833                 }
3834                 g_dbus_method_invocation_take_error (context, error);
3835         }
3836         g_clear_object (&subject);
3837 }
3838
3839 static gboolean
3840 device_is_wake_on_lan (NMDevice *device)
3841 {
3842         return nm_platform_link_get_wake_on_lan (NM_PLATFORM_GET, nm_device_get_ip_ifindex (device));
3843 }
3844
3845 static void
3846 do_sleep_wake (NMManager *self, gboolean sleeping_changed)
3847 {
3848         NMManagerPrivate *priv = NM_MANAGER_GET_PRIVATE (self);
3849         gboolean suspending, waking_from_suspend;
3850         GSList *iter;
3851
3852         suspending = sleeping_changed && priv->sleeping;
3853         waking_from_suspend = sleeping_changed && !priv->sleeping;
3854
3855         if (manager_sleeping (self)) {
3856                 _LOGI (LOGD_SUSPEND, "%s...", suspending ? "sleeping" : "disabling");
3857
3858                 /* FIXME: are there still hardware devices that need to be disabled around
3859                  * suspend/resume?
3860                  */
3861                 for (iter = priv->devices; iter; iter = iter->next) {
3862                         NMDevice *device = iter->data;
3863
3864                         /* FIXME: shouldn't we be unmanaging software devices if !suspending? */
3865                         if (nm_device_is_software (device))
3866                                 continue;
3867                         /* Wake-on-LAN devices will be taken down post-suspend rather than pre- */
3868                         if (suspending && device_is_wake_on_lan (device))
3869                                 continue;
3870
3871                         nm_device_set_unmanaged_by_flags (device, NM_UNMANAGED_SLEEPING, TRUE, NM_DEVICE_STATE_REASON_SLEEPING);
3872                 }
3873         } else {
3874                 _LOGI (LOGD_SUSPEND, "%s...", waking_from_suspend ? "waking up" : "re-enabling");
3875
3876                 if (waking_from_suspend) {
3877                         /* Belatedly take down Wake-on-LAN devices; ideally we wouldn't have to do this
3878                          * but for now it's the only way to make sure we re-check their connectivity.
3879                          */
3880                         for (iter = priv->devices; iter; iter = iter->next) {
3881                                 NMDevice *device = iter->data;
3882
3883                                 if (nm_device_is_software (device))
3884                                         continue;
3885                                 if (device_is_wake_on_lan (device))
3886                                         nm_device_set_unmanaged_by_flags (device, NM_UNMANAGED_SLEEPING, TRUE, NM_DEVICE_STATE_REASON_SLEEPING);
3887                         }
3888                 }
3889
3890                 /* Ensure rfkill state is up-to-date since we don't respond to state
3891                  * changes during sleep.
3892                  */
3893                 nm_manager_rfkill_update (self, RFKILL_TYPE_UNKNOWN);
3894
3895                 /* Re-manage managed devices */
3896                 for (iter = priv->devices; iter; iter = iter->next) {
3897                         NMDevice *device = NM_DEVICE (iter->data);
3898                         guint i;
3899
3900                         if (nm_device_is_software (device)) {
3901                                 /* We do not manage/unmanage software devices but
3902                                  * their dhcp leases could have gone stale so we need
3903                                  * to renew them */
3904                                 nm_device_update_dynamic_ip_setup (device);
3905                                 continue;
3906                         }
3907
3908                         /* enable/disable wireless devices since that we don't respond
3909                          * to killswitch changes during sleep.
3910                          */
3911                         for (i = 0; i < RFKILL_TYPE_MAX; i++) {
3912                                 RadioState *rstate = &priv->radio_states[i];
3913                                 gboolean enabled = radio_enabled_for_rstate (rstate, TRUE);
3914
3915                                 if (rstate->desc) {
3916                                         _LOGD (LOGD_RFKILL, "%s %s devices (hw_enabled %d, sw_enabled %d, user_enabled %d)",
3917                                                enabled ? "enabling" : "disabling",
3918                                                rstate->desc, rstate->hw_enabled, rstate->sw_enabled, rstate->user_enabled);
3919                                 }
3920
3921                                 if (nm_device_get_rfkill_type (device) == rstate->rtype)
3922                                         nm_device_set_enabled (device, enabled);
3923                         }
3924
3925                         nm_device_set_autoconnect (device, TRUE);
3926
3927                         nm_device_set_unmanaged_by_flags (device, NM_UNMANAGED_SLEEPING, FALSE, NM_DEVICE_STATE_REASON_NOW_MANAGED);
3928                 }
3929         }
3930
3931         nm_manager_update_state (self);
3932 }
3933
3934 static void
3935 _internal_sleep (NMManager *self, gboolean do_sleep)
3936 {
3937         NMManagerPrivate *priv = NM_MANAGER_GET_PRIVATE (self);
3938
3939         if (priv->sleeping == do_sleep)
3940                 return;
3941
3942         _LOGI (LOGD_SUSPEND, "%s requested (sleeping: %s  enabled: %s)",
3943                do_sleep ? "sleep" : "wake",
3944                priv->sleeping ? "yes" : "no",
3945                priv->net_enabled ? "yes" : "no");
3946
3947         priv->sleeping = do_sleep;
3948
3949         do_sleep_wake (self, TRUE);
3950
3951         g_object_notify (G_OBJECT (self), NM_MANAGER_SLEEPING);
3952 }
3953
3954 #if 0
3955 static void
3956 sleep_auth_done_cb (NMAuthChain *chain,
3957                     GError *error,
3958                     GDBusMethodInvocation *context,
3959                     gpointer user_data)
3960 {
3961         NMManager *self = NM_MANAGER (user_data);
3962         NMManagerPrivate *priv = NM_MANAGER_GET_PRIVATE (self);
3963         GError *ret_error;
3964         NMAuthCallResult result;
3965         gboolean do_sleep;
3966
3967         priv->auth_chains = g_slist_remove (priv->auth_chains, chain);
3968
3969         result = nm_auth_chain_get_result (chain, NM_AUTH_PERMISSION_SLEEP_WAKE);
3970         if (error) {
3971                 _LOGD (LOGD_SUSPEND, "Sleep/wake request failed: %s", error->message);
3972                 ret_error = g_error_new (NM_MANAGER_ERROR,
3973                                          NM_MANAGER_ERROR_PERMISSION_DENIED,
3974                                          "Sleep/wake request failed: %s",
3975                                          error->message);
3976                 g_dbus_method_invocation_take_error (context, ret_error);
3977         } else if (result != NM_AUTH_CALL_RESULT_YES) {
3978                 ret_error = g_error_new_literal (NM_MANAGER_ERROR,
3979                                                  NM_MANAGER_ERROR_PERMISSION_DENIED,
3980                                                  "Not authorized to sleep/wake");
3981                 g_dbus_method_invocation_take_error (context, ret_error);
3982         } else {
3983                 /* Auth success */
3984                 do_sleep = GPOINTER_TO_UINT (nm_auth_chain_get_data (chain, "sleep"));
3985                 _internal_sleep (self, do_sleep);
3986                 g_dbus_method_invocation_return_value (context, NULL);
3987         }
3988
3989         nm_auth_chain_unref (chain);
3990 }
3991 #endif
3992
3993 static void
3994 impl_manager_sleep (NMManager *self,
3995                     GDBusMethodInvocation *context,
3996                     gboolean do_sleep)
3997 {
3998         NMManagerPrivate *priv;
3999         GError *error = NULL;
4000         gs_unref_object NMAuthSubject *subject = NULL;
4001 #if 0
4002         NMAuthChain *chain;
4003         const char *error_desc = NULL;
4004 #endif
4005
4006         g_return_if_fail (NM_IS_MANAGER (self));
4007
4008         priv = NM_MANAGER_GET_PRIVATE (self);
4009         subject = nm_auth_subject_new_unix_process_from_context (context);
4010
4011         if (priv->sleeping == do_sleep) {
4012                 error = g_error_new (NM_MANAGER_ERROR,
4013                                      NM_MANAGER_ERROR_ALREADY_ASLEEP_OR_AWAKE,
4014                                      "Already %s", do_sleep ? "asleep" : "awake");
4015                 nm_audit_log_control_op (NM_AUDIT_OP_SLEEP_CONTROL, do_sleep ? "on" : "off", FALSE, subject,
4016                                          error->message);
4017                 g_dbus_method_invocation_take_error (context, error);
4018                 return;
4019         }
4020
4021         /* Unconditionally allow the request.  Previously it was polkit protected
4022          * but unfortunately that doesn't work for short-lived processes like
4023          * pm-utils.  It uses dbus-send without --print-reply, which quits
4024          * immediately after sending the request, and NM is unable to obtain the
4025          * sender's UID as dbus-send has already dropped off the bus.  Thus NM
4026          * fails the request.  Instead, don't validate the request, but rely on
4027          * D-Bus permissions to restrict the call to root.
4028          */
4029         _internal_sleep (self, do_sleep);
4030         nm_audit_log_control_op (NM_AUDIT_OP_SLEEP_CONTROL, do_sleep ? "on" : "off", TRUE, subject, NULL);
4031         g_dbus_method_invocation_return_value (context, NULL);
4032         return;
4033
4034 #if 0
4035         chain = nm_auth_chain_new (context, sleep_auth_done_cb, self, &error_desc);
4036         if (chain) {
4037                 priv->auth_chains = g_slist_append (priv->auth_chains, chain);
4038                 nm_auth_chain_set_data (chain, "sleep", GUINT_TO_POINTER (do_sleep), NULL);
4039                 nm_auth_chain_add_call (chain, NM_AUTH_PERMISSION_SLEEP_WAKE, TRUE);
4040         } else {
4041                 error = g_error_new_literal (NM_MANAGER_ERROR,
4042                                              NM_MANAGER_ERROR_PERMISSION_DENIED,
4043                                              error_desc);
4044                 g_dbus_method_invocation_take_error (context, error);
4045         }
4046 #endif
4047 }
4048
4049 static void
4050 sleeping_cb (NMSleepMonitor *monitor, gpointer user_data)
4051 {
4052         nm_log_dbg (LOGD_SUSPEND, "Received sleeping signal");
4053         _internal_sleep (NM_MANAGER (user_data), TRUE);
4054 }
4055
4056 static void
4057 resuming_cb (NMSleepMonitor *monitor, gpointer user_data)
4058 {
4059         nm_log_dbg (LOGD_SUSPEND, "Received resuming signal");
4060         _internal_sleep (NM_MANAGER (user_data), FALSE);
4061 }
4062
4063 static void
4064 _internal_enable (NMManager *self, gboolean enable)
4065 {
4066         NMManagerPrivate *priv = NM_MANAGER_GET_PRIVATE (self);
4067         GError *err = NULL;
4068
4069         /* Update "NetworkingEnabled" key in state file */
4070         if (priv->state_file) {
4071                 if (!write_value_to_state_file (priv->state_file,
4072                                                 "main", "NetworkingEnabled",
4073                                                 G_TYPE_BOOLEAN, (gpointer) &enable,
4074                                                 &err)) {
4075                         /* Not a hard error */
4076                         _LOGW (LOGD_SUSPEND, "writing to state file %s failed: %s",
4077                                priv->state_file,
4078                                err->message);
4079                 }
4080         }
4081
4082         _LOGI (LOGD_SUSPEND, "%s requested (sleeping: %s  enabled: %s)",
4083                enable ? "enable" : "disable",
4084                priv->sleeping ? "yes" : "no",
4085                priv->net_enabled ? "yes" : "no");
4086
4087         priv->net_enabled = enable;
4088
4089         do_sleep_wake (self, FALSE);
4090
4091         g_object_notify (G_OBJECT (self), NM_MANAGER_NETWORKING_ENABLED);
4092 }
4093
4094 static void
4095 enable_net_done_cb (NMAuthChain *chain,
4096                     GError *error,
4097                     GDBusMethodInvocation *context,
4098                     gpointer user_data)
4099 {
4100         NMManager *self = NM_MANAGER (user_data);
4101         NMManagerPrivate *priv = NM_MANAGER_GET_PRIVATE (self);
4102         GError *ret_error = NULL;
4103         NMAuthCallResult result;
4104         gboolean enable;
4105         NMAuthSubject *subject;
4106
4107         g_assert (context);
4108
4109         priv->auth_chains = g_slist_remove (priv->auth_chains, chain);
4110         enable = GPOINTER_TO_UINT (nm_auth_chain_get_data (chain, "enable"));
4111         subject = nm_auth_chain_get_subject (chain);
4112
4113         result = nm_auth_chain_get_result (chain, NM_AUTH_PERMISSION_ENABLE_DISABLE_NETWORK);
4114         if (error) {
4115                 _LOGD (LOGD_CORE, "Enable request failed: %s", error->message);
4116                 ret_error = g_error_new (NM_MANAGER_ERROR,
4117                                          NM_MANAGER_ERROR_PERMISSION_DENIED,
4118                                          "Enable request failed: %s",
4119                                          error->message);
4120         } else if (result != NM_AUTH_CALL_RESULT_YES) {
4121                 ret_error = g_error_new_literal (NM_MANAGER_ERROR,
4122                                                  NM_MANAGER_ERROR_PERMISSION_DENIED,
4123                                                  "Not authorized to enable/disable networking");
4124         } else {
4125                 /* Auth success */
4126                 _internal_enable (self, enable);
4127                 g_dbus_method_invocation_return_value (context, NULL);
4128                 nm_audit_log_control_op (NM_AUDIT_OP_NET_CONTROL, enable ? "on" : "off", TRUE,
4129                                          subject, NULL);
4130         }
4131
4132         if (ret_error) {
4133                 nm_audit_log_control_op (NM_AUDIT_OP_NET_CONTROL, enable ? "on" : "off", FALSE,
4134                                          subject, ret_error->message);
4135                 g_dbus_method_invocation_take_error (context, ret_error);
4136         }
4137
4138         nm_auth_chain_unref (chain);
4139 }
4140
4141 static void
4142 impl_manager_enable (NMManager *self,
4143                      GDBusMethodInvocation *context,
4144                      gboolean enable)
4145 {
4146         NMManagerPrivate *priv;
4147         NMAuthChain *chain;
4148         GError *error = NULL;
4149
4150         g_return_if_fail (NM_IS_MANAGER (self));
4151
4152         priv = NM_MANAGER_GET_PRIVATE (self);
4153
4154         if (priv->net_enabled == enable) {
4155                 error = g_error_new (NM_MANAGER_ERROR,
4156                                      NM_MANAGER_ERROR_ALREADY_ENABLED_OR_DISABLED,
4157                                      "Already %s", enable ? "enabled" : "disabled");
4158                 goto done;
4159         }
4160
4161         chain = nm_auth_chain_new_context (context, enable_net_done_cb, self);
4162         if (!chain) {
4163                 error = g_error_new_literal (NM_MANAGER_ERROR,
4164                                              NM_MANAGER_ERROR_PERMISSION_DENIED,
4165                                              "Unable to authenticate request.");
4166                 goto done;
4167         }
4168
4169         priv->auth_chains = g_slist_append (priv->auth_chains, chain);
4170         nm_auth_chain_set_data (chain, "enable", GUINT_TO_POINTER (enable), NULL);
4171         nm_auth_chain_add_call (chain, NM_AUTH_PERMISSION_ENABLE_DISABLE_NETWORK, TRUE);
4172
4173 done:
4174         if (error)
4175                 g_dbus_method_invocation_take_error (context, error);
4176 }
4177
4178 /* Permissions */
4179
4180 static void
4181 get_perm_add_result (NMAuthChain *chain, GVariantBuilder *results, const char *permission)
4182 {
4183         NMAuthCallResult result;
4184
4185         result = nm_auth_chain_get_result (chain, permission);
4186         if (result == NM_AUTH_CALL_RESULT_YES)
4187                 g_variant_builder_add (results, "{ss}", permission, "yes");
4188         else if (result == NM_AUTH_CALL_RESULT_NO)
4189                 g_variant_builder_add (results, "{ss}", permission, "no");
4190         else if (result == NM_AUTH_CALL_RESULT_AUTH)
4191                 g_variant_builder_add (results, "{ss}", permission, "auth");
4192         else {
4193                 nm_log_dbg (LOGD_CORE, "unknown auth chain result %d", result);
4194         }
4195 }
4196
4197 static void
4198 get_permissions_done_cb (NMAuthChain *chain,
4199                          GError *error,
4200                          GDBusMethodInvocation *context,
4201                          gpointer user_data)
4202 {
4203         NMManager *self = NM_MANAGER (user_data);
4204         NMManagerPrivate *priv = NM_MANAGER_GET_PRIVATE (self);
4205         GError *ret_error;
4206         GVariantBuilder results;
4207
4208         g_assert (context);
4209
4210         priv->auth_chains = g_slist_remove (priv->auth_chains, chain);
4211         if (error) {
4212                 _LOGD (LOGD_CORE, "Permissions request failed: %s", error->message);
4213                 ret_error = g_error_new (NM_MANAGER_ERROR,
4214                                          NM_MANAGER_ERROR_PERMISSION_DENIED,
4215                                          "Permissions request failed: %s",
4216                                          error->message);
4217                 g_dbus_method_invocation_take_error (context, ret_error);
4218         } else {
4219                 g_variant_builder_init (&results, G_VARIANT_TYPE ("a{ss}"));
4220
4221                 get_perm_add_result (chain, &results, NM_AUTH_PERMISSION_ENABLE_DISABLE_NETWORK);
4222                 get_perm_add_result (chain, &results, NM_AUTH_PERMISSION_SLEEP_WAKE);
4223                 get_perm_add_result (chain, &results, NM_AUTH_PERMISSION_ENABLE_DISABLE_WIFI);
4224                 get_perm_add_result (chain, &results, NM_AUTH_PERMISSION_ENABLE_DISABLE_WWAN);
4225                 get_perm_add_result (chain, &results, NM_AUTH_PERMISSION_ENABLE_DISABLE_WIMAX);
4226                 get_perm_add_result (chain, &results, NM_AUTH_PERMISSION_NETWORK_CONTROL);
4227                 get_perm_add_result (chain, &results, NM_AUTH_PERMISSION_WIFI_SHARE_PROTECTED);
4228                 get_perm_add_result (chain, &results, NM_AUTH_PERMISSION_WIFI_SHARE_OPEN);
4229                 get_perm_add_result (chain, &results, NM_AUTH_PERMISSION_SETTINGS_MODIFY_SYSTEM);
4230                 get_perm_add_result (chain, &results, NM_AUTH_PERMISSION_SETTINGS_MODIFY_OWN);
4231                 get_perm_add_result (chain, &results, NM_AUTH_PERMISSION_SETTINGS_MODIFY_HOSTNAME);
4232
4233                 g_dbus_method_invocation_return_value (context,
4234                                                        g_variant_new ("(a{ss})", &results));
4235         }
4236
4237         nm_auth_chain_unref (chain);
4238 }
4239
4240 static void
4241 impl_manager_get_permissions (NMManager *self,
4242                               GDBusMethodInvocation *context)
4243 {
4244         NMManagerPrivate *priv = NM_MANAGER_GET_PRIVATE (self);
4245         NMAuthChain *chain;
4246         GError *error = NULL;
4247
4248         chain = nm_auth_chain_new_context (context, get_permissions_done_cb, self);
4249         if (!chain) {
4250                 error = g_error_new_literal (NM_MANAGER_ERROR,
4251                                              NM_MANAGER_ERROR_PERMISSION_DENIED,
4252                                              "Unable to authenticate request.");
4253                 g_dbus_method_invocation_take_error (context, error);
4254                 return;
4255         }
4256
4257         priv->auth_chains = g_slist_append (priv->auth_chains, chain);
4258         nm_auth_chain_add_call (chain, NM_AUTH_PERMISSION_ENABLE_DISABLE_NETWORK, FALSE);
4259         nm_auth_chain_add_call (chain, NM_AUTH_PERMISSION_SLEEP_WAKE, FALSE);
4260         nm_auth_chain_add_call (chain, NM_AUTH_PERMISSION_ENABLE_DISABLE_WIFI, FALSE);
4261         nm_auth_chain_add_call (chain, NM_AUTH_PERMISSION_ENABLE_DISABLE_WWAN, FALSE);
4262         nm_auth_chain_add_call (chain, NM_AUTH_PERMISSION_ENABLE_DISABLE_WIMAX, FALSE);
4263         nm_auth_chain_add_call (chain, NM_AUTH_PERMISSION_NETWORK_CONTROL, FALSE);
4264         nm_auth_chain_add_call (chain, NM_AUTH_PERMISSION_WIFI_SHARE_PROTECTED, FALSE);
4265         nm_auth_chain_add_call (chain, NM_AUTH_PERMISSION_WIFI_SHARE_OPEN, FALSE);
4266         nm_auth_chain_add_call (chain, NM_AUTH_PERMISSION_SETTINGS_MODIFY_SYSTEM, FALSE);
4267         nm_auth_chain_add_call (chain, NM_AUTH_PERMISSION_SETTINGS_MODIFY_OWN, FALSE);
4268         nm_auth_chain_add_call (chain, NM_AUTH_PERMISSION_SETTINGS_MODIFY_HOSTNAME, FALSE);
4269 }
4270
4271 static void
4272 impl_manager_get_state (NMManager *self,
4273                         GDBusMethodInvocation *context)
4274 {
4275         nm_manager_update_state (self);
4276         g_dbus_method_invocation_return_value (context,
4277                                                g_variant_new ("(u)", NM_MANAGER_GET_PRIVATE (self)->state));
4278 }
4279
4280 static void
4281 impl_manager_set_logging (NMManager *self,
4282                           GDBusMethodInvocation *context,
4283                           const char *level,
4284                           const char *domains)
4285 {
4286         NMManagerPrivate *priv = NM_MANAGER_GET_PRIVATE (self);
4287         GError *error = NULL;
4288         gulong caller_uid = G_MAXULONG;
4289
4290         if (!nm_bus_manager_get_caller_info (priv->dbus_mgr, context, NULL, &caller_uid, NULL)) {
4291                 error = g_error_new_literal (NM_MANAGER_ERROR,
4292                                              NM_MANAGER_ERROR_PERMISSION_DENIED,
4293                                              "Failed to get request UID.");
4294                 goto done;
4295         }
4296
4297         if (0 != caller_uid) {
4298                 error = g_error_new_literal (NM_MANAGER_ERROR,
4299                                              NM_MANAGER_ERROR_PERMISSION_DENIED,
4300                                              "Permission denied");
4301                 goto done;
4302         }
4303
4304         if (nm_logging_setup (level, domains, NULL, &error)) {
4305                 _LOGI (LOGD_CORE, "logging: level '%s' domains '%s'",
4306                        nm_logging_level_to_string (), nm_logging_domains_to_string ());
4307         }
4308
4309 done:
4310         if (error)
4311                 g_dbus_method_invocation_take_error (context, error);
4312         else
4313                 g_dbus_method_invocation_return_value (context, NULL);
4314 }
4315
4316 static void
4317 impl_manager_get_logging (NMManager *manager,
4318                           GDBusMethodInvocation *context)
4319 {
4320         g_dbus_method_invocation_return_value (context,
4321                                                g_variant_new ("(ss)",
4322                                                               nm_logging_level_to_string (),
4323                                                               nm_logging_domains_to_string ()));
4324 }
4325
4326 static void
4327 connectivity_check_done (GObject *object,
4328                          GAsyncResult *result,
4329                          gpointer user_data)
4330 {
4331         GDBusMethodInvocation *context = user_data;
4332         NMConnectivityState state;
4333         GError *error = NULL;
4334
4335         state = nm_connectivity_check_finish (NM_CONNECTIVITY (object), result, &error);
4336         if (error)
4337                 g_dbus_method_invocation_take_error (context, error);
4338         else {
4339                 g_dbus_method_invocation_return_value (context,
4340                                                        g_variant_new ("(u)", state));
4341         }
4342 }
4343
4344
4345 static void
4346 check_connectivity_auth_done_cb (NMAuthChain *chain,
4347                                  GError *auth_error,
4348                                  GDBusMethodInvocation *context,
4349                                  gpointer user_data)
4350 {
4351         NMManager *self = NM_MANAGER (user_data);
4352         NMManagerPrivate *priv = NM_MANAGER_GET_PRIVATE (self);
4353         GError *error = NULL;
4354         NMAuthCallResult result;
4355
4356         priv->auth_chains = g_slist_remove (priv->auth_chains, chain);
4357
4358         result = nm_auth_chain_get_result (chain, NM_AUTH_PERMISSION_NETWORK_CONTROL);
4359
4360         if (auth_error) {
4361                 _LOGD (LOGD_CORE, "CheckConnectivity request failed: %s", auth_error->message);
4362                 error = g_error_new (NM_MANAGER_ERROR,
4363                                      NM_MANAGER_ERROR_PERMISSION_DENIED,
4364                                      "Connectivity check request failed: %s",
4365                                      auth_error->message);
4366         } else if (result != NM_AUTH_CALL_RESULT_YES) {
4367                 error = g_error_new_literal (NM_MANAGER_ERROR,
4368                                              NM_MANAGER_ERROR_PERMISSION_DENIED,
4369                                              "Not authorized to recheck connectivity");
4370         } else {
4371                 /* it's allowed */
4372                 nm_connectivity_check_async (priv->connectivity,
4373                                              connectivity_check_done,
4374                                              context);
4375         }
4376
4377         if (error)
4378                 g_dbus_method_invocation_take_error (context, error);
4379         nm_auth_chain_unref (chain);
4380 }
4381
4382 static void
4383 impl_manager_check_connectivity (NMManager *self,
4384                                  GDBusMethodInvocation *context)
4385 {
4386         NMManagerPrivate *priv = NM_MANAGER_GET_PRIVATE (self);
4387         NMAuthChain *chain;
4388         GError *error = NULL;
4389
4390         /* Validate the request */
4391         chain = nm_auth_chain_new_context (context, check_connectivity_auth_done_cb, self);
4392         if (!chain) {
4393                 error = g_error_new_literal (NM_MANAGER_ERROR,
4394                                              NM_MANAGER_ERROR_PERMISSION_DENIED,
4395                                              "Unable to authenticate request.");
4396                 g_dbus_method_invocation_take_error (context, error);
4397                 return;
4398         }
4399
4400         priv->auth_chains = g_slist_append (priv->auth_chains, chain);
4401         nm_auth_chain_add_call (chain, NM_AUTH_PERMISSION_NETWORK_CONTROL, TRUE);
4402 }
4403
4404 static void
4405 start_factory (NMDeviceFactory *factory, gpointer user_data)
4406 {
4407         nm_device_factory_start (factory);
4408 }
4409
4410 gboolean
4411 nm_manager_start (NMManager *self, GError **error)
4412 {
4413         NMManagerPrivate *priv = NM_MANAGER_GET_PRIVATE (self);
4414         GSList *iter, *connections;
4415         guint i;
4416
4417         if (!nm_settings_start (priv->settings, error))
4418                 return FALSE;
4419
4420         g_signal_connect (NM_PLATFORM_GET,
4421                           NM_PLATFORM_SIGNAL_LINK_CHANGED,
4422                           G_CALLBACK (platform_link_cb),
4423                           self);
4424
4425         /* Set initial radio enabled/disabled state */
4426         for (i = 0; i < RFKILL_TYPE_MAX; i++) {
4427                 RadioState *rstate = &priv->radio_states[i];
4428                 gboolean enabled;
4429
4430                 if (!rstate->desc)
4431                         continue;
4432
4433                 /* recheck kernel rfkill state */
4434                 update_rstate_from_rfkill (priv->rfkill_mgr, rstate);
4435
4436                 if (rstate->desc) {
4437                         _LOGI (LOGD_RFKILL, "%s %s by radio killswitch; %s by state file",
4438                                rstate->desc,
4439                                (rstate->hw_enabled && rstate->sw_enabled) ? "enabled" : "disabled",
4440                                rstate->user_enabled ? "enabled" : "disabled");
4441                 }
4442                 enabled = radio_enabled_for_rstate (rstate, TRUE);
4443                 manager_update_radio_enabled (self, rstate, enabled);
4444         }
4445
4446         /* Log overall networking status - enabled/disabled */
4447         _LOGI (LOGD_CORE, "Networking is %s by state file",
4448                priv->net_enabled ? "enabled" : "disabled");
4449
4450         system_unmanaged_devices_changed_cb (priv->settings, NULL, self);
4451         system_hostname_changed_cb (priv->settings, NULL, self);
4452
4453         /* Start device factories */
4454         nm_device_factory_manager_load_factories (_register_device_factory, self);
4455         nm_device_factory_manager_for_each_factory (start_factory, NULL);
4456
4457         platform_query_devices (self);
4458
4459         /* Load VPN plugins */
4460         priv->vpn_manager = g_object_ref (nm_vpn_manager_get ());
4461
4462         /* Connections added before the manager is started do not emit
4463          * connection-added signals thus devices have to be created manually.
4464          */
4465         _LOGD (LOGD_CORE, "creating virtual devices...");
4466         connections = nm_settings_get_connections (priv->settings);
4467         for (iter = connections; iter; iter = iter->next)
4468                 connection_changed (priv->settings, NM_CONNECTION (iter->data), self);
4469         g_slist_free (connections);
4470
4471         priv->devices_inited = TRUE;
4472
4473         check_if_startup_complete (self);
4474
4475         return TRUE;
4476 }
4477
4478 void
4479 nm_manager_stop (NMManager *self)
4480 {
4481         NMManagerPrivate *priv = NM_MANAGER_GET_PRIVATE (self);
4482
4483         /* Remove all devices */
4484         while (priv->devices)
4485                 remove_device (self, NM_DEVICE (priv->devices->data), TRUE, TRUE);
4486
4487         _active_connection_cleanup (self);
4488 }
4489
4490 static gboolean
4491 handle_firmware_changed (gpointer user_data)
4492 {
4493         NMManager *self = NM_MANAGER (user_data);
4494         NMManagerPrivate *priv = NM_MANAGER_GET_PRIVATE (self);
4495         GSList *iter;
4496
4497         priv->fw_changed_id = 0;
4498
4499         /* Try to re-enable devices with missing firmware */
4500         for (iter = priv->devices; iter; iter = iter->next) {
4501                 NMDevice *candidate = NM_DEVICE (iter->data);
4502                 NMDeviceState state = nm_device_get_state (candidate);
4503
4504                 if (   nm_device_get_firmware_missing (candidate)
4505                     && (state == NM_DEVICE_STATE_UNAVAILABLE)) {
4506                         _LOGI (LOGD_CORE, "(%s): firmware may now be available",
4507                                nm_device_get_iface (candidate));
4508
4509                         /* Re-set unavailable state to try bringing the device up again */
4510                         nm_device_state_changed (candidate,
4511                                                  NM_DEVICE_STATE_UNAVAILABLE,
4512                                                  NM_DEVICE_STATE_REASON_NONE);
4513                 }
4514         }
4515
4516         return FALSE;
4517 }
4518
4519 static void
4520 connectivity_changed (NMConnectivity *connectivity,
4521                       GParamSpec *pspec,
4522                       gpointer user_data)
4523 {
4524         NMManager *self = NM_MANAGER (user_data);
4525
4526         _LOGD (LOGD_CORE, "connectivity checking indicates %s",
4527                nm_connectivity_state_to_string (nm_connectivity_get_state (connectivity)));
4528
4529         nm_manager_update_state (self);
4530         g_object_notify (G_OBJECT (self), NM_MANAGER_CONNECTIVITY);
4531 }
4532
4533 static void
4534 firmware_dir_changed (GFileMonitor *monitor,
4535                       GFile *file,
4536                       GFile *other_file,
4537                       GFileMonitorEvent event_type,
4538                       gpointer user_data)
4539 {
4540         NMManager *self = NM_MANAGER (user_data);
4541         NMManagerPrivate *priv = NM_MANAGER_GET_PRIVATE (self);
4542
4543         switch (event_type) {
4544         case G_FILE_MONITOR_EVENT_CREATED:
4545         case G_FILE_MONITOR_EVENT_CHANGED:
4546         case G_FILE_MONITOR_EVENT_MOVED:
4547         case G_FILE_MONITOR_EVENT_ATTRIBUTE_CHANGED:
4548         case G_FILE_MONITOR_EVENT_CHANGES_DONE_HINT:
4549                 if (!priv->fw_changed_id) {
4550                         priv->fw_changed_id = g_timeout_add_seconds (4, handle_firmware_changed, self);
4551                         _LOGI (LOGD_CORE, "kernel firmware directory '%s' changed",
4552                                KERNEL_FIRMWARE_DIR);
4553                 }
4554                 break;
4555         default:
4556                 break;
4557         }
4558 }
4559
4560 static void
4561 connection_metered_changed (GObject *object,
4562                             NMMetered metered,
4563                             gpointer user_data)
4564 {
4565         nm_manager_update_metered (NM_MANAGER (user_data));
4566 }
4567
4568 static void
4569 policy_default_device_changed (GObject *object, GParamSpec *pspec, gpointer user_data)
4570 {
4571         NMManager *self = NM_MANAGER (user_data);
4572         NMManagerPrivate *priv = NM_MANAGER_GET_PRIVATE (self);
4573         NMDevice *best;
4574         NMActiveConnection *ac;
4575
4576         /* Note: this assumes that it's not possible for the IP4 default
4577          * route to be going over the default-ip6-device. If that changes,
4578          * we need something more complicated here.
4579          */
4580         best = nm_policy_get_default_ip4_device (priv->policy);
4581         if (!best)
4582                 best = nm_policy_get_default_ip6_device (priv->policy);
4583
4584         if (best)
4585                 ac = NM_ACTIVE_CONNECTION (nm_device_get_act_request (best));
4586         else
4587                 ac = NULL;
4588
4589         if (ac != priv->primary_connection) {
4590                 if (priv->primary_connection) {
4591                         g_signal_handlers_disconnect_by_func (priv->primary_connection,
4592                                                               G_CALLBACK (connection_metered_changed),
4593                                                               self);
4594                         g_clear_object (&priv->primary_connection);
4595                 }
4596
4597                 priv->primary_connection = ac ? g_object_ref (ac) : NULL;
4598
4599                 if (priv->primary_connection) {
4600                         g_signal_connect (priv->primary_connection, NM_ACTIVE_CONNECTION_DEVICE_METERED_CHANGED,
4601                                           G_CALLBACK (connection_metered_changed), self);
4602                 }
4603                 _LOGD (LOGD_CORE, "PrimaryConnection now %s", ac ? nm_active_connection_get_settings_connection_id (ac) : "(none)");
4604                 g_object_notify (G_OBJECT (self), NM_MANAGER_PRIMARY_CONNECTION);
4605                 g_object_notify (G_OBJECT (self), NM_MANAGER_PRIMARY_CONNECTION_TYPE);
4606                 nm_manager_update_metered (self);
4607         }
4608 }
4609
4610 static void
4611 policy_activating_device_changed (GObject *object, GParamSpec *pspec, gpointer user_data)
4612 {
4613         NMManager *self = NM_MANAGER (user_data);
4614         NMManagerPrivate *priv = NM_MANAGER_GET_PRIVATE (self);
4615         NMDevice *activating, *best;
4616         NMActiveConnection *ac;
4617
4618         /* We only look at activating-ip6-device if activating-ip4-device
4619          * AND default-ip4-device are NULL; if default-ip4-device is
4620          * non-NULL, then activating-ip6-device is irrelevant, since while
4621          * that device might become the new default-ip6-device, it can't
4622          * become primary-connection while default-ip4-device is set to
4623          * something else.
4624          */
4625         activating = nm_policy_get_activating_ip4_device (priv->policy);
4626         best = nm_policy_get_default_ip4_device (priv->policy);
4627         if (!activating && !best)
4628                 activating = nm_policy_get_activating_ip6_device (priv->policy);
4629
4630         if (activating)
4631                 ac = NM_ACTIVE_CONNECTION (nm_device_get_act_request (activating));
4632         else
4633                 ac = NULL;
4634
4635         if (ac != priv->activating_connection) {
4636                 g_clear_object (&priv->activating_connection);
4637                 priv->activating_connection = ac ? g_object_ref (ac) : NULL;
4638                 _LOGD (LOGD_CORE, "ActivatingConnection now %s", ac ? nm_active_connection_get_settings_connection_id (ac) : "(none)");
4639                 g_object_notify (G_OBJECT (self), NM_MANAGER_ACTIVATING_CONNECTION);
4640         }
4641 }
4642
4643 #define NM_PERM_DENIED_ERROR "org.freedesktop.NetworkManager.PermissionDenied"
4644
4645 typedef struct {
4646         NMManager *self;
4647         GDBusConnection *connection;
4648         GDBusMessage *message;
4649         NMAuthSubject *subject;
4650         const char *permission;
4651         const char *audit_op;
4652         char *audit_prop_value;
4653         GType interface_type;
4654         const char *glib_propname;
4655 } PropertyFilterData;
4656
4657 static void
4658 free_property_filter_data (PropertyFilterData *pfd)
4659 {
4660         g_object_unref (pfd->self);
4661         g_object_unref (pfd->connection);
4662         g_object_unref (pfd->message);
4663         g_clear_object (&pfd->subject);
4664         g_free (pfd->audit_prop_value);
4665         g_slice_free (PropertyFilterData, pfd);
4666 }
4667
4668 static void
4669 prop_set_auth_done_cb (NMAuthChain *chain,
4670                        GError *error,
4671                        GDBusMethodInvocation *context, /* NULL */
4672                        gpointer user_data)
4673 {
4674         PropertyFilterData *pfd = user_data;
4675         NMManagerPrivate *priv = NM_MANAGER_GET_PRIVATE (pfd->self);
4676         NMAuthCallResult result;
4677         GDBusMessage *reply = NULL;
4678         const char *error_message;
4679         gs_unref_object NMExportedObject *object = NULL;
4680         const NMGlobalDnsConfig *global_dns;
4681         gs_unref_variant GVariant *value = NULL;
4682         GVariant *args;
4683
4684         priv->auth_chains = g_slist_remove (priv->auth_chains, chain);
4685         result = nm_auth_chain_get_result (chain, pfd->permission);
4686         if (error || (result != NM_AUTH_CALL_RESULT_YES)) {
4687                 reply = g_dbus_message_new_method_error (pfd->message,
4688                                                          NM_PERM_DENIED_ERROR,
4689                                                          (error_message = "Not authorized to perform this operation"));
4690                 if (error)
4691                         error_message = error->message;
4692                 goto done;
4693         }
4694
4695         object = NM_EXPORTED_OBJECT (nm_bus_manager_get_registered_object (priv->dbus_mgr,
4696                                                                            g_dbus_message_get_path (pfd->message)));
4697         if (!object) {
4698                 reply = g_dbus_message_new_method_error (pfd->message,
4699                                                          "org.freedesktop.DBus.Error.UnknownObject",
4700                                                          (error_message = "Object doesn't exist."));
4701                 goto done;
4702         }
4703
4704         /* do some extra type checking... */
4705         if (!nm_exported_object_get_interface_by_type (object, pfd->interface_type)) {
4706                 reply = g_dbus_message_new_method_error (pfd->message,
4707                                                          "org.freedesktop.DBus.Error.InvalidArgs",
4708                                                          (error_message = "Object is of unexpected type."));
4709                 goto done;
4710         }
4711
4712         args = g_dbus_message_get_body (pfd->message);
4713         g_variant_get (args, "(&s&sv)", NULL, NULL, &value);
4714         g_assert (pfd->glib_propname);
4715
4716         if (!strcmp (pfd->glib_propname, NM_MANAGER_GLOBAL_DNS_CONFIGURATION)) {
4717                 g_assert (g_variant_is_of_type (value, G_VARIANT_TYPE ("a{sv}")));
4718                 global_dns = nm_config_data_get_global_dns_config (nm_config_get_data (priv->config));
4719
4720                 if (global_dns && !nm_global_dns_config_is_internal (global_dns)) {
4721                         reply = g_dbus_message_new_method_error (pfd->message,
4722                                                                  NM_PERM_DENIED_ERROR,
4723                                                                  (error_message = "Global DNS configuration already set via configuration file"));
4724                         goto done;
4725                 }
4726                 /* ... but set the property on the @object itself. It would be correct to set the property
4727                  * on the skeleton interface, but as it is now, the result is the same. */
4728                 g_object_set (object, pfd->glib_propname, value, NULL);
4729         } else {
4730                 g_assert (g_variant_is_of_type (value, G_VARIANT_TYPE_BOOLEAN));
4731                 /* the same here */
4732                 g_object_set (object, pfd->glib_propname, g_variant_get_boolean (value), NULL);
4733         }
4734
4735         reply = g_dbus_message_new_method_reply (pfd->message);
4736         g_dbus_message_set_body (reply, g_variant_new_tuple (NULL, 0));
4737         error_message = NULL;
4738 done:
4739         nm_audit_log_control_op (pfd->audit_op, pfd->audit_prop_value, !error_message, pfd->subject, error_message);
4740
4741         g_dbus_connection_send_message (pfd->connection, reply,
4742                                         G_DBUS_SEND_MESSAGE_FLAGS_NONE,
4743                                         NULL, NULL);
4744         g_object_unref (reply);
4745         nm_auth_chain_unref (chain);
4746
4747         free_property_filter_data (pfd);
4748 }
4749
4750 static gboolean
4751 do_set_property_check (gpointer user_data)
4752 {
4753         PropertyFilterData *pfd = user_data;
4754         NMManagerPrivate *priv = NM_MANAGER_GET_PRIVATE (pfd->self);
4755         GDBusMessage *reply = NULL;
4756         NMAuthChain *chain;
4757         const char *error_message = NULL;
4758
4759         pfd->subject = nm_auth_subject_new_unix_process_from_message (pfd->connection, pfd->message);
4760         if (!pfd->subject) {
4761                 reply = g_dbus_message_new_method_error (pfd->message,
4762                                                          NM_PERM_DENIED_ERROR,
4763                                                          (error_message = "Could not determine request UID."));
4764                 goto out;
4765         }
4766
4767         /* Validate the user request */
4768         chain = nm_auth_chain_new_subject (pfd->subject, NULL, prop_set_auth_done_cb, pfd);
4769         if (!chain) {
4770                 reply = g_dbus_message_new_method_error (pfd->message,
4771                                                          NM_PERM_DENIED_ERROR,
4772                                                          (error_message = "Could not authenticate request."));
4773                 goto out;
4774         }
4775
4776         priv->auth_chains = g_slist_append (priv->auth_chains, chain);
4777         nm_auth_chain_add_call (chain, pfd->permission, TRUE);
4778
4779 out:
4780         if (reply) {
4781                 nm_audit_log_control_op (pfd->audit_op, pfd->audit_prop_value, FALSE, pfd->subject, error_message);
4782                 g_dbus_connection_send_message (pfd->connection, reply,
4783                                                 G_DBUS_SEND_MESSAGE_FLAGS_NONE,
4784                                                 NULL, NULL);
4785                 g_object_unref (reply);
4786                 free_property_filter_data (pfd);
4787         }
4788
4789         return FALSE;
4790 }
4791
4792 static GDBusMessage *
4793 prop_filter (GDBusConnection *connection,
4794              GDBusMessage *message,
4795              gboolean incoming,
4796              gpointer user_data)
4797 {
4798         gs_unref_object NMManager *self = NULL;
4799         GVariant *args;
4800         const char *propiface = NULL;
4801         const char *propname = NULL;
4802         const char *glib_propname = NULL, *permission = NULL;
4803         const char *audit_op = NULL;
4804         GType interface_type = G_TYPE_INVALID;
4805         PropertyFilterData *pfd;
4806         const GVariantType *expected_type = G_VARIANT_TYPE_BOOLEAN;
4807         gs_unref_variant GVariant *value = NULL;
4808
4809         self = g_weak_ref_get (user_data);
4810         if (!self)
4811                 return message;
4812
4813         /* The sole purpose of this function is to validate property accesses on the
4814          * NMManager object since gdbus doesn't give us this functionality.
4815          */
4816
4817         /* Only filter org.freedesktop.DBus.Properties.Set calls */
4818         if (   !incoming
4819             || g_dbus_message_get_message_type (message) != G_DBUS_MESSAGE_TYPE_METHOD_CALL
4820             || g_strcmp0 (g_dbus_message_get_interface (message), DBUS_INTERFACE_PROPERTIES) != 0
4821             || g_strcmp0 (g_dbus_message_get_member (message), "Set") != 0)
4822                 return message;
4823
4824         args = g_dbus_message_get_body (message);
4825         if (!g_variant_is_of_type (args, G_VARIANT_TYPE ("(ssv)")))
4826                 return message;
4827         g_variant_get (args, "(&s&sv)", &propiface, &propname, &value);
4828
4829         /* Only filter calls to filtered properties, on existing objects */
4830         if (!strcmp (propiface, NM_DBUS_INTERFACE)) {
4831                 if (!strcmp (propname, "WirelessEnabled")) {
4832                         glib_propname = NM_MANAGER_WIRELESS_ENABLED;
4833                         permission = NM_AUTH_PERMISSION_ENABLE_DISABLE_WIFI;
4834                         audit_op = NM_AUDIT_OP_RADIO_CONTROL;
4835                 } else if (!strcmp (propname, "WwanEnabled")) {
4836                         glib_propname = NM_MANAGER_WWAN_ENABLED;
4837                         permission = NM_AUTH_PERMISSION_ENABLE_DISABLE_WWAN;
4838                         audit_op = NM_AUDIT_OP_RADIO_CONTROL;
4839                 } else if (!strcmp (propname, "WimaxEnabled")) {
4840                         glib_propname = NM_MANAGER_WIMAX_ENABLED;
4841                         permission = NM_AUTH_PERMISSION_ENABLE_DISABLE_WIMAX;
4842                         audit_op = NM_AUDIT_OP_RADIO_CONTROL;
4843                 } else if (!strcmp (propname, "GlobalDnsConfiguration")) {
4844                         glib_propname = NM_MANAGER_GLOBAL_DNS_CONFIGURATION;
4845                         permission = NM_AUTH_PERMISSION_SETTINGS_MODIFY_GLOBAL_DNS;
4846                         audit_op = NM_AUDIT_OP_NET_CONTROL;
4847                         expected_type = G_VARIANT_TYPE ("a{sv}");
4848                 } else
4849                         return message;
4850                 interface_type = NMDBUS_TYPE_MANAGER_SKELETON;
4851         } else if (!strcmp (propiface, NM_DBUS_INTERFACE_DEVICE)) {
4852                 if (!strcmp (propname, "Autoconnect")) {
4853                         glib_propname = NM_DEVICE_AUTOCONNECT;
4854                         permission = NM_AUTH_PERMISSION_NETWORK_CONTROL;
4855                         audit_op = NM_AUDIT_OP_DEVICE_AUTOCONNECT;
4856                 } else if (!strcmp (propname, "Managed")) {
4857                         glib_propname = NM_DEVICE_MANAGED;
4858                         permission = NM_AUTH_PERMISSION_NETWORK_CONTROL;
4859                         audit_op = NM_AUDIT_OP_DEVICE_MANAGED;
4860                 } else
4861                         return message;
4862                 interface_type = NMDBUS_TYPE_DEVICE_SKELETON;
4863         } else
4864                 return message;
4865
4866         if (!g_variant_is_of_type (value, expected_type))
4867                 return message;
4868
4869         /* This filter function is called from a gdbus worker thread which we can't
4870          * make other D-Bus calls from. In particular, we cannot call
4871          * org.freedesktop.DBus.GetConnectionUnixUser to find the remote UID.
4872          */
4873         pfd = g_slice_new0 (PropertyFilterData);
4874         pfd->self = self;
4875         self = NULL;
4876         pfd->connection = g_object_ref (connection);
4877         pfd->message = message;
4878         pfd->permission = permission;
4879         pfd->interface_type = interface_type;
4880         pfd->glib_propname = glib_propname;
4881         pfd->audit_op = audit_op;
4882         if (g_variant_is_of_type (value, G_VARIANT_TYPE_BOOLEAN)) {
4883                 pfd->audit_prop_value = g_strdup_printf ("%s:%d", pfd->glib_propname,
4884                                                          g_variant_get_boolean (value));
4885         } else
4886                 pfd->audit_prop_value = g_strdup (pfd->glib_propname);
4887
4888         g_idle_add (do_set_property_check, pfd);
4889
4890         return NULL;
4891 }
4892
4893 /******************************************************************************/
4894
4895 static int
4896 _set_prop_filter_free2 (gpointer user_data)
4897 {
4898         g_slice_free (GWeakRef, user_data);
4899         return G_SOURCE_REMOVE;
4900 }
4901
4902 static void
4903 _set_prop_filter_free (gpointer user_data)
4904 {
4905         g_weak_ref_clear (user_data);
4906
4907         /* Delay the final deletion of the user_data. There is a race when
4908          * calling g_dbus_connection_remove_filter() that the callback and user_data
4909          * might have been copied and being executed after the destroy function
4910          * runs (bgo #704568).
4911          * This doesn't really fix the race, but it should work well enough. */
4912         g_timeout_add_seconds (2, _set_prop_filter_free2, user_data);
4913 }
4914
4915 static void
4916 _set_prop_filter (NMManager *self, GDBusConnection *connection)
4917 {
4918         NMManagerPrivate *priv = NM_MANAGER_GET_PRIVATE (self);
4919
4920         nm_assert ((!priv->prop_filter.connection) == (!priv->prop_filter.id));
4921
4922         if (priv->prop_filter.connection == connection)
4923                 return;
4924
4925         if (priv->prop_filter.connection) {
4926                 g_dbus_connection_remove_filter (priv->prop_filter.connection, priv->prop_filter.id);
4927                 priv->prop_filter.id = 0;
4928                 g_clear_object (&priv->prop_filter.connection);
4929         }
4930         if (connection) {
4931                 GWeakRef *wptr;
4932
4933                 wptr = g_slice_new (GWeakRef);
4934                 g_weak_ref_init  (wptr, self);
4935                 priv->prop_filter.id = g_dbus_connection_add_filter (connection, prop_filter, wptr, _set_prop_filter_free);
4936                 priv->prop_filter.connection = g_object_ref (connection);
4937         }
4938 }
4939
4940 /******************************************************************************/
4941
4942 static void
4943 authority_changed_cb (NMAuthManager *auth_manager, gpointer user_data)
4944 {
4945         /* Let clients know they should re-check their authorization */
4946         g_signal_emit (NM_MANAGER (user_data), signals[CHECK_PERMISSIONS], 0);
4947 }
4948
4949 #define KERN_RFKILL_OP_CHANGE_ALL 3
4950 #define KERN_RFKILL_TYPE_WLAN     1
4951 #define KERN_RFKILL_TYPE_WWAN     5
4952 struct rfkill_event {
4953         __u32 idx;
4954         __u8  type;
4955         __u8  op;
4956         __u8  soft, hard;
4957 } __attribute__((packed));
4958
4959 static void
4960 rfkill_change (const char *desc, RfKillType rtype, gboolean enabled)
4961 {
4962         int fd;
4963         struct rfkill_event event;
4964         ssize_t len;
4965
4966         g_return_if_fail (rtype == RFKILL_TYPE_WLAN || rtype == RFKILL_TYPE_WWAN);
4967
4968         errno = 0;
4969         fd = open ("/dev/rfkill", O_RDWR);
4970         if (fd < 0) {
4971                 if (errno == EACCES)
4972                         nm_log_warn (LOGD_RFKILL, "(%s): failed to open killswitch device", desc);
4973                 return;
4974         }
4975
4976         if (fcntl (fd, F_SETFL, O_NONBLOCK) < 0) {
4977                 nm_log_warn (LOGD_RFKILL, "(%s): failed to set killswitch device for "
4978                              "non-blocking operation", desc);
4979                 close (fd);
4980                 return;
4981         }
4982
4983         memset (&event, 0, sizeof (event));
4984         event.op = KERN_RFKILL_OP_CHANGE_ALL;
4985         switch (rtype) {
4986         case RFKILL_TYPE_WLAN:
4987                 event.type = KERN_RFKILL_TYPE_WLAN;
4988                 break;
4989         case RFKILL_TYPE_WWAN:
4990                 event.type = KERN_RFKILL_TYPE_WWAN;
4991                 break;
4992         default:
4993                 g_assert_not_reached ();
4994         }
4995         event.soft = enabled ? 0 : 1;
4996
4997         len = write (fd, &event, sizeof (event));
4998         if (len < 0) {
4999                 nm_log_warn (LOGD_RFKILL, "(%s): failed to change WiFi killswitch state: (%d) %s",
5000                              desc, errno, g_strerror (errno));
5001         } else if (len == sizeof (event)) {
5002                 nm_log_info (LOGD_RFKILL, "%s hardware radio set %s",
5003                              desc, enabled ? "enabled" : "disabled");
5004         } else {
5005                 /* Failed to write full structure */
5006                 nm_log_warn (LOGD_RFKILL, "(%s): failed to change WiFi killswitch state", desc);
5007         }
5008
5009         close (fd);
5010 }
5011
5012 static void
5013 manager_radio_user_toggled (NMManager *self,
5014                             RadioState *rstate,
5015                             gboolean enabled)
5016 {
5017         NMManagerPrivate *priv = NM_MANAGER_GET_PRIVATE (self);
5018         GError *error = NULL;
5019         gboolean old_enabled, new_enabled;
5020
5021         /* Don't touch devices if asleep/networking disabled */
5022         if (manager_sleeping (self))
5023                 return;
5024
5025         if (rstate->desc) {
5026                 _LOGD (LOGD_RFKILL, "(%s): setting radio %s by user",
5027                        rstate->desc,
5028                        enabled ? "enabled" : "disabled");
5029         }
5030
5031         /* Update enabled key in state file */
5032         if (priv->state_file) {
5033                 if (!write_value_to_state_file (priv->state_file,
5034                                                 "main", rstate->key,
5035                                                 G_TYPE_BOOLEAN, (gpointer) &enabled,
5036                                                 &error)) {
5037                         _LOGW (LOGD_CORE, "writing to state file %s failed: %s",
5038                                priv->state_file,
5039                                error->message);
5040                         g_clear_error (&error);
5041                 }
5042         }
5043
5044         /* When the user toggles the radio, their request should override any
5045          * daemon (like ModemManager) enabled state that can be changed.  For WWAN
5046          * for example, we want the WwanEnabled property to reflect the daemon state
5047          * too so that users can toggle the modem powered, but we don't want that
5048          * daemon state to affect whether or not the user *can* turn it on, which is
5049          * what the kernel rfkill state does.  So we ignore daemon enabled state
5050          * when determining what the new state should be since it shouldn't block
5051          * the user's request.
5052          */
5053         old_enabled = radio_enabled_for_rstate (rstate, TRUE);
5054         rstate->user_enabled = enabled;
5055         new_enabled = radio_enabled_for_rstate (rstate, FALSE);
5056         if (new_enabled != old_enabled) {
5057                 /* Try to change the kernel rfkill state */
5058                 if (rstate->rtype == RFKILL_TYPE_WLAN || rstate->rtype == RFKILL_TYPE_WWAN)
5059                         rfkill_change (rstate->desc, rstate->rtype, new_enabled);
5060
5061                 manager_update_radio_enabled (self, rstate, new_enabled);
5062         }
5063 }
5064
5065 static gboolean
5066 periodic_update_active_connection_timestamps (gpointer user_data)
5067 {
5068         NMManager *manager = NM_MANAGER (user_data);
5069         NMManagerPrivate *priv = NM_MANAGER_GET_PRIVATE (manager);
5070         GSList *iter;
5071
5072         for (iter = priv->active_connections; iter; iter = g_slist_next (iter)) {
5073                 NMActiveConnection *ac = iter->data;
5074                 NMSettingsConnection *connection;
5075
5076                 if (nm_active_connection_get_state (ac) == NM_ACTIVE_CONNECTION_STATE_ACTIVATED) {
5077                         connection = nm_active_connection_get_settings_connection (ac);
5078                         nm_settings_connection_update_timestamp (connection, (guint64) time (NULL), FALSE);
5079                 }
5080         }
5081
5082         return TRUE;
5083 }
5084
5085 static void
5086 dbus_connection_changed_cb (NMBusManager *dbus_mgr,
5087                             GDBusConnection *connection,
5088                             gpointer user_data)
5089 {
5090         _set_prop_filter (NM_MANAGER (user_data), connection);
5091 }
5092
5093 /**********************************************************************/
5094
5095 NM_DEFINE_SINGLETON_REGISTER (NMManager);
5096
5097 NMManager *
5098 nm_manager_get (void)
5099 {
5100         g_return_val_if_fail (singleton_instance, NULL);
5101         return singleton_instance;
5102 }
5103
5104 NMConnectionProvider *
5105 nm_connection_provider_get (void)
5106 {
5107         NMConnectionProvider *p;
5108
5109         g_return_val_if_fail (singleton_instance, NULL);
5110
5111         p = NM_CONNECTION_PROVIDER (NM_MANAGER_GET_PRIVATE (singleton_instance)->settings);
5112         g_return_val_if_fail (p, NULL);
5113         return p;
5114 }
5115
5116 NMManager *
5117 nm_manager_setup (const char *state_file,
5118                   gboolean initial_net_enabled,
5119                   gboolean initial_wifi_enabled,
5120                   gboolean initial_wwan_enabled)
5121 {
5122         NMManager *self;
5123
5124         g_return_val_if_fail (!singleton_instance, singleton_instance);
5125
5126         self = g_object_new (NM_TYPE_MANAGER,
5127                              NM_MANAGER_NETWORKING_ENABLED, initial_net_enabled,
5128                              NM_MANAGER_WIRELESS_ENABLED, initial_wifi_enabled,
5129                              NM_MANAGER_WWAN_ENABLED, initial_wwan_enabled,
5130                              NM_MANAGER_STATE_FILE, state_file,
5131                              NULL);
5132         nm_assert (NM_IS_MANAGER (self));
5133         singleton_instance = self;
5134
5135         nm_singleton_instance_register ();
5136         _LOGD (LOGD_CORE, "setup %s singleton (%p)", "NMManager", singleton_instance);
5137
5138         nm_exported_object_export ((NMExportedObject *) self);
5139
5140         return self;
5141 }
5142
5143 static void
5144 constructed (GObject *object)
5145 {
5146         NMManager *self = NM_MANAGER (object);
5147         NMManagerPrivate *priv = NM_MANAGER_GET_PRIVATE (self);
5148         NMConfigData *config_data;
5149
5150         G_OBJECT_CLASS (nm_manager_parent_class)->constructed (object);
5151
5152         _set_prop_filter (self, nm_bus_manager_get_connection (priv->dbus_mgr));
5153
5154         priv->settings = nm_settings_new ();
5155         g_signal_connect (priv->settings, "notify::" NM_SETTINGS_STARTUP_COMPLETE,
5156                           G_CALLBACK (settings_startup_complete_changed), self);
5157         g_signal_connect (priv->settings, "notify::" NM_SETTINGS_UNMANAGED_SPECS,
5158                           G_CALLBACK (system_unmanaged_devices_changed_cb), self);
5159         g_signal_connect (priv->settings, "notify::" NM_SETTINGS_HOSTNAME,
5160                           G_CALLBACK (system_hostname_changed_cb), self);
5161         g_signal_connect (priv->settings, NM_SETTINGS_SIGNAL_CONNECTION_ADDED,
5162                           G_CALLBACK (connection_changed), self);
5163         g_signal_connect (priv->settings, NM_SETTINGS_SIGNAL_CONNECTION_UPDATED_BY_USER,
5164                           G_CALLBACK (connection_changed), self);
5165         g_signal_connect (priv->settings, NM_SETTINGS_SIGNAL_CONNECTION_REMOVED,
5166                           G_CALLBACK (connection_removed), self);
5167
5168         priv->policy = nm_policy_new (self, priv->settings);
5169         g_signal_connect (priv->policy, "notify::" NM_POLICY_DEFAULT_IP4_DEVICE,
5170                           G_CALLBACK (policy_default_device_changed), self);
5171         g_signal_connect (priv->policy, "notify::" NM_POLICY_DEFAULT_IP6_DEVICE,
5172                           G_CALLBACK (policy_default_device_changed), self);
5173         g_signal_connect (priv->policy, "notify::" NM_POLICY_ACTIVATING_IP4_DEVICE,
5174                           G_CALLBACK (policy_activating_device_changed), self);
5175         g_signal_connect (priv->policy, "notify::" NM_POLICY_ACTIVATING_IP6_DEVICE,
5176                           G_CALLBACK (policy_activating_device_changed), self);
5177
5178         priv->config = g_object_ref (nm_config_get ());
5179         g_signal_connect (G_OBJECT (priv->config),
5180                           NM_CONFIG_SIGNAL_CONFIG_CHANGED,
5181                           G_CALLBACK (_config_changed_cb),
5182                           self);
5183
5184         config_data = nm_config_get_data (priv->config);
5185         priv->connectivity = nm_connectivity_new (nm_config_data_get_connectivity_uri (config_data),
5186                                                   nm_config_data_get_connectivity_interval (config_data),
5187                                                   nm_config_data_get_connectivity_response (config_data));
5188         g_signal_connect (priv->connectivity, "notify::" NM_CONNECTIVITY_STATE,
5189                           G_CALLBACK (connectivity_changed), self);
5190
5191         priv->rfkill_mgr = nm_rfkill_manager_new ();
5192         g_signal_connect (priv->rfkill_mgr,
5193                           "rfkill-changed",
5194                           G_CALLBACK (rfkill_manager_rfkill_changed_cb),
5195                           self);
5196
5197         /* Force kernel WiFi/WWAN rfkill state to follow NM saved WiFi/WWAN state
5198          * in case the BIOS doesn't save rfkill state, and to be consistent with user
5199          * changes to the WirelessEnabled/WWANEnabled properties which toggle kernel
5200          * rfkill.
5201          */
5202         rfkill_change (priv->radio_states[RFKILL_TYPE_WLAN].desc, RFKILL_TYPE_WLAN, priv->radio_states[RFKILL_TYPE_WLAN].user_enabled);
5203         rfkill_change (priv->radio_states[RFKILL_TYPE_WWAN].desc, RFKILL_TYPE_WWAN, priv->radio_states[RFKILL_TYPE_WWAN].user_enabled);
5204 }
5205
5206 static void
5207 nm_manager_init (NMManager *self)
5208 {
5209         NMManagerPrivate *priv = NM_MANAGER_GET_PRIVATE (self);
5210         guint i;
5211         GFile *file;
5212
5213         /* Initialize rfkill structures and states */
5214         memset (priv->radio_states, 0, sizeof (priv->radio_states));
5215
5216         priv->radio_states[RFKILL_TYPE_WLAN].user_enabled = TRUE;
5217         priv->radio_states[RFKILL_TYPE_WLAN].key = "WirelessEnabled";
5218         priv->radio_states[RFKILL_TYPE_WLAN].prop = NM_MANAGER_WIRELESS_ENABLED;
5219         priv->radio_states[RFKILL_TYPE_WLAN].hw_prop = NM_MANAGER_WIRELESS_HARDWARE_ENABLED;
5220         priv->radio_states[RFKILL_TYPE_WLAN].desc = "WiFi";
5221         priv->radio_states[RFKILL_TYPE_WLAN].rtype = RFKILL_TYPE_WLAN;
5222
5223         priv->radio_states[RFKILL_TYPE_WWAN].user_enabled = TRUE;
5224         priv->radio_states[RFKILL_TYPE_WWAN].key = "WWANEnabled";
5225         priv->radio_states[RFKILL_TYPE_WWAN].prop = NM_MANAGER_WWAN_ENABLED;
5226         priv->radio_states[RFKILL_TYPE_WWAN].hw_prop = NM_MANAGER_WWAN_HARDWARE_ENABLED;
5227         priv->radio_states[RFKILL_TYPE_WWAN].desc = "WWAN";
5228         priv->radio_states[RFKILL_TYPE_WWAN].rtype = RFKILL_TYPE_WWAN;
5229
5230         for (i = 0; i < RFKILL_TYPE_MAX; i++)
5231                 priv->radio_states[i].hw_enabled = TRUE;
5232
5233         priv->sleeping = FALSE;
5234         priv->state = NM_STATE_DISCONNECTED;
5235         priv->startup = TRUE;
5236
5237         priv->dbus_mgr = g_object_ref (nm_bus_manager_get ());
5238         g_signal_connect (priv->dbus_mgr,
5239                           NM_BUS_MANAGER_DBUS_CONNECTION_CHANGED,
5240                           G_CALLBACK (dbus_connection_changed_cb),
5241                           self);
5242
5243         /* sleep/wake handling */
5244         priv->sleep_monitor = g_object_ref (nm_sleep_monitor_get ());
5245         g_signal_connect (priv->sleep_monitor, NM_SLEEP_MONITOR_SLEEPING,
5246                           G_CALLBACK (sleeping_cb), self);
5247         g_signal_connect (priv->sleep_monitor, NM_SLEEP_MONITOR_RESUMING,
5248                           G_CALLBACK (resuming_cb), self);
5249
5250         /* Listen for authorization changes */
5251         g_signal_connect (nm_auth_manager_get (),
5252                           NM_AUTH_MANAGER_SIGNAL_CHANGED,
5253                           G_CALLBACK (authority_changed_cb),
5254                           self);
5255
5256
5257         /* Monitor the firmware directory */
5258         if (strlen (KERNEL_FIRMWARE_DIR)) {
5259                 file = g_file_new_for_path (KERNEL_FIRMWARE_DIR "/");
5260                 priv->fw_monitor = g_file_monitor_directory (file, G_FILE_MONITOR_NONE, NULL, NULL);
5261                 g_object_unref (file);
5262         }
5263
5264         if (priv->fw_monitor) {
5265                 g_signal_connect (priv->fw_monitor, "changed",
5266                                   G_CALLBACK (firmware_dir_changed),
5267                                   self);
5268                 _LOGI (LOGD_CORE, "monitoring kernel firmware directory '%s'.",
5269                              KERNEL_FIRMWARE_DIR);
5270         } else {
5271                 _LOGW (LOGD_CORE, "failed to monitor kernel firmware directory '%s'.",
5272                        KERNEL_FIRMWARE_DIR);
5273         }
5274
5275         /* Update timestamps in active connections */
5276         priv->timestamp_update_id = g_timeout_add_seconds (300, (GSourceFunc) periodic_update_active_connection_timestamps, self);
5277
5278         priv->metered = NM_METERED_UNKNOWN;
5279 }
5280
5281 static gboolean
5282 device_is_real (GObject *device, gpointer user_data)
5283 {
5284         return nm_device_is_real (NM_DEVICE (device));
5285 }
5286
5287 static void
5288 get_property (GObject *object, guint prop_id,
5289               GValue *value, GParamSpec *pspec)
5290 {
5291         NMManager *self = NM_MANAGER (object);
5292         NMManagerPrivate *priv = NM_MANAGER_GET_PRIVATE (self);
5293         NMConfigData *config_data;
5294         const NMGlobalDnsConfig *dns_config;
5295         const char *type;
5296
5297         switch (prop_id) {
5298         case PROP_VERSION:
5299                 g_value_set_string (value, VERSION);
5300                 break;
5301         case PROP_STATE:
5302                 nm_manager_update_state (self);
5303                 g_value_set_uint (value, priv->state);
5304                 break;
5305         case PROP_STARTUP:
5306                 g_value_set_boolean (value, priv->startup);
5307                 break;
5308         case PROP_NETWORKING_ENABLED:
5309                 g_value_set_boolean (value, priv->net_enabled);
5310                 break;
5311         case PROP_WIRELESS_ENABLED:
5312                 g_value_set_boolean (value, radio_enabled_for_type (self, RFKILL_TYPE_WLAN, TRUE));
5313                 break;
5314         case PROP_WIRELESS_HARDWARE_ENABLED:
5315                 g_value_set_boolean (value, priv->radio_states[RFKILL_TYPE_WLAN].hw_enabled);
5316                 break;
5317         case PROP_WWAN_ENABLED:
5318                 g_value_set_boolean (value, radio_enabled_for_type (self, RFKILL_TYPE_WWAN, TRUE));
5319                 break;
5320         case PROP_WWAN_HARDWARE_ENABLED:
5321                 g_value_set_boolean (value, priv->radio_states[RFKILL_TYPE_WWAN].hw_enabled);
5322                 break;
5323         case PROP_WIMAX_ENABLED:
5324                 g_value_set_boolean (value, FALSE);
5325                 break;
5326         case PROP_WIMAX_HARDWARE_ENABLED:
5327                 g_value_set_boolean (value, FALSE);
5328                 break;
5329         case PROP_ACTIVE_CONNECTIONS:
5330                 nm_utils_g_value_set_object_path_array (value, priv->active_connections, NULL, NULL);
5331                 break;
5332         case PROP_CONNECTIVITY:
5333                 g_value_set_uint (value, nm_connectivity_get_state (priv->connectivity));
5334                 break;
5335         case PROP_PRIMARY_CONNECTION:
5336                 nm_utils_g_value_set_object_path (value, priv->primary_connection);
5337                 break;
5338         case PROP_PRIMARY_CONNECTION_TYPE:
5339                 type = NULL;
5340                 if (priv->primary_connection) {
5341                         NMConnection *con;
5342
5343                         con = nm_active_connection_get_applied_connection (priv->primary_connection);
5344                         if (con)
5345                                 type = nm_connection_get_connection_type (con);
5346                 }
5347                 g_value_set_string (value, type ? type : "");
5348                 break;
5349         case PROP_ACTIVATING_CONNECTION:
5350                 nm_utils_g_value_set_object_path (value, priv->activating_connection);
5351                 break;
5352         case PROP_HOSTNAME:
5353                 g_value_set_string (value, priv->hostname);
5354                 break;
5355         case PROP_SLEEPING:
5356                 g_value_set_boolean (value, priv->sleeping);
5357                 break;
5358         case PROP_DEVICES:
5359                 nm_utils_g_value_set_object_path_array (value, priv->devices, device_is_real, NULL);
5360                 break;
5361         case PROP_METERED:
5362                 g_value_set_uint (value, priv->metered);
5363                 break;
5364         case PROP_GLOBAL_DNS_CONFIGURATION:
5365                 config_data = nm_config_get_data (priv->config);
5366                 dns_config = nm_config_data_get_global_dns_config (config_data);
5367                 nm_global_dns_config_to_dbus (dns_config, value);
5368                 break;
5369         case PROP_ALL_DEVICES:
5370                 nm_utils_g_value_set_object_path_array (value, priv->devices, NULL, NULL);
5371                 break;
5372         default:
5373                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
5374                 break;
5375         }
5376 }
5377
5378 static void
5379 set_property (GObject *object, guint prop_id,
5380               const GValue *value, GParamSpec *pspec)
5381 {
5382         NMManager *self = NM_MANAGER (object);
5383         NMManagerPrivate *priv = NM_MANAGER_GET_PRIVATE (self);
5384         NMGlobalDnsConfig *dns_config;
5385         GError *error = NULL;
5386
5387         switch (prop_id) {
5388         case PROP_STATE_FILE:
5389                 /* construct-only */
5390                 priv->state_file = g_value_dup_string (value);
5391                 break;
5392         case PROP_NETWORKING_ENABLED:
5393                 /* construct-only */
5394                 priv->net_enabled = g_value_get_boolean (value);
5395                 break;
5396         case PROP_WIRELESS_ENABLED:
5397                 if (!priv->rfkill_mgr) {
5398                         /* called during object construction. */
5399                         priv->radio_states[RFKILL_TYPE_WLAN].user_enabled = g_value_get_boolean (value);
5400                 } else {
5401                         manager_radio_user_toggled (NM_MANAGER (object),
5402                                                     &priv->radio_states[RFKILL_TYPE_WLAN],
5403                                                     g_value_get_boolean (value));
5404                 }
5405                 break;
5406         case PROP_WWAN_ENABLED:
5407                 if (!priv->rfkill_mgr) {
5408                         /* called during object construction. */
5409                         priv->radio_states[RFKILL_TYPE_WWAN].user_enabled = g_value_get_boolean (value);
5410                 } else {
5411                         manager_radio_user_toggled (NM_MANAGER (object),
5412                                                     &priv->radio_states[RFKILL_TYPE_WWAN],
5413                                                     g_value_get_boolean (value));
5414                 }
5415                 break;
5416         case PROP_WIMAX_ENABLED:
5417                 /* WIMAX is depreacted. This does nothing. */
5418                 break;
5419         case PROP_GLOBAL_DNS_CONFIGURATION:
5420                 dns_config = nm_global_dns_config_from_dbus (value, &error);
5421                 if (!error)
5422                         nm_config_set_global_dns (priv->config, dns_config, &error);
5423
5424                 nm_global_dns_config_free (dns_config);
5425
5426                 if (error) {
5427                         _LOGD (LOGD_CORE, "set global DNS failed with error: %s", error->message);
5428                         g_error_free (error);
5429                 }
5430                 break;
5431         default:
5432                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
5433                 break;
5434         }
5435 }
5436
5437 static void
5438 _deinit_device_factory (NMDeviceFactory *factory, gpointer user_data)
5439 {
5440         g_signal_handlers_disconnect_matched (factory, G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, NM_MANAGER (user_data));
5441 }
5442
5443 static void
5444 dispose (GObject *object)
5445 {
5446         NMManager *manager = NM_MANAGER (object);
5447         NMManagerPrivate *priv = NM_MANAGER_GET_PRIVATE (manager);
5448
5449         g_slist_free_full (priv->auth_chains, (GDestroyNotify) nm_auth_chain_unref);
5450         priv->auth_chains = NULL;
5451
5452         g_signal_handlers_disconnect_by_func (nm_auth_manager_get (),
5453                                               G_CALLBACK (authority_changed_cb),
5454                                               manager);
5455
5456         g_assert (priv->devices == NULL);
5457
5458         nm_clear_g_source (&priv->ac_cleanup_id);
5459
5460         while (priv->active_connections)
5461                 active_connection_remove (manager, NM_ACTIVE_CONNECTION (priv->active_connections->data));
5462         g_clear_pointer (&priv->active_connections, g_slist_free);
5463         g_clear_object (&priv->primary_connection);
5464         g_clear_object (&priv->activating_connection);
5465
5466         if (priv->config) {
5467                 g_signal_handlers_disconnect_by_func (priv->config, _config_changed_cb, manager);
5468                 g_clear_object (&priv->config);
5469         }
5470         if (priv->connectivity) {
5471                 g_signal_handlers_disconnect_by_func (priv->connectivity, connectivity_changed, manager);
5472                 g_clear_object (&priv->connectivity);
5473         }
5474
5475         g_free (priv->hostname);
5476
5477         if (priv->policy) {
5478                 g_signal_handlers_disconnect_by_func (priv->policy, policy_default_device_changed, manager);
5479                 g_signal_handlers_disconnect_by_func (priv->policy, policy_activating_device_changed, manager);
5480                 g_clear_object (&priv->policy);
5481         }
5482
5483         if (priv->settings) {
5484                 g_signal_handlers_disconnect_by_func (priv->settings, settings_startup_complete_changed, manager);
5485                 g_signal_handlers_disconnect_by_func (priv->settings, system_unmanaged_devices_changed_cb, manager);
5486                 g_signal_handlers_disconnect_by_func (priv->settings, system_hostname_changed_cb, manager);
5487                 g_signal_handlers_disconnect_by_func (priv->settings, connection_changed, manager);
5488                 g_signal_handlers_disconnect_by_func (priv->settings, connection_removed, manager);
5489                 g_clear_object (&priv->settings);
5490         }
5491
5492         g_clear_pointer (&priv->state_file, g_free);
5493         g_clear_object (&priv->vpn_manager);
5494
5495         /* Unregister property filter */
5496         if (priv->dbus_mgr) {
5497                 g_signal_handlers_disconnect_by_func (priv->dbus_mgr, dbus_connection_changed_cb, manager);
5498                 g_clear_object (&priv->dbus_mgr);
5499         }
5500         _set_prop_filter (manager, NULL);
5501
5502         if (priv->sleep_monitor) {
5503                 g_signal_handlers_disconnect_by_func (priv->sleep_monitor, sleeping_cb, manager);
5504                 g_signal_handlers_disconnect_by_func (priv->sleep_monitor, resuming_cb, manager);
5505                 g_clear_object (&priv->sleep_monitor);
5506         }
5507
5508         if (priv->fw_monitor) {
5509                 g_signal_handlers_disconnect_by_func (priv->fw_monitor, firmware_dir_changed, manager);
5510
5511                 nm_clear_g_source (&priv->fw_changed_id);
5512
5513                 g_file_monitor_cancel (priv->fw_monitor);
5514                 g_clear_object (&priv->fw_monitor);
5515         }
5516
5517         if (priv->rfkill_mgr) {
5518                 g_signal_handlers_disconnect_by_func (priv->rfkill_mgr, rfkill_manager_rfkill_changed_cb, manager);
5519                 g_clear_object (&priv->rfkill_mgr);
5520         }
5521
5522         nm_device_factory_manager_for_each_factory (_deinit_device_factory, manager);
5523
5524         nm_clear_g_source (&priv->timestamp_update_id);
5525
5526         G_OBJECT_CLASS (nm_manager_parent_class)->dispose (object);
5527 }
5528
5529 static void
5530 nm_manager_class_init (NMManagerClass *manager_class)
5531 {
5532         GObjectClass *object_class = G_OBJECT_CLASS (manager_class);
5533         NMExportedObjectClass *exported_object_class = NM_EXPORTED_OBJECT_CLASS (manager_class);
5534
5535         g_type_class_add_private (manager_class, sizeof (NMManagerPrivate));
5536
5537         exported_object_class->export_path = NM_DBUS_PATH;
5538
5539         /* virtual methods */
5540         object_class->constructed = constructed;
5541         object_class->set_property = set_property;
5542         object_class->get_property = get_property;
5543         object_class->dispose = dispose;
5544
5545         /* properties */
5546         g_object_class_install_property
5547                 (object_class, PROP_VERSION,
5548                  g_param_spec_string (NM_MANAGER_VERSION, "", "",
5549                                       NULL,
5550                                       G_PARAM_READABLE |
5551                                       G_PARAM_STATIC_STRINGS));
5552
5553         g_object_class_install_property (object_class,
5554                                          PROP_STATE_FILE,
5555                                          g_param_spec_string (NM_MANAGER_STATE_FILE, "", "",
5556                                                               NULL,
5557                                                               G_PARAM_WRITABLE |
5558                                                               G_PARAM_CONSTRUCT_ONLY |
5559                                                               G_PARAM_STATIC_STRINGS));
5560
5561         g_object_class_install_property
5562                 (object_class, PROP_STATE,
5563                  g_param_spec_uint (NM_MANAGER_STATE, "", "",
5564                                     0, NM_STATE_DISCONNECTED, 0,
5565                                     G_PARAM_READABLE |
5566                                     G_PARAM_STATIC_STRINGS));
5567
5568         g_object_class_install_property
5569                 (object_class, PROP_STARTUP,
5570                  g_param_spec_boolean (NM_MANAGER_STARTUP, "", "",
5571                                        TRUE,
5572                                        G_PARAM_READABLE |
5573                                        G_PARAM_STATIC_STRINGS));
5574
5575         g_object_class_install_property
5576                 (object_class, PROP_NETWORKING_ENABLED,
5577                  g_param_spec_boolean (NM_MANAGER_NETWORKING_ENABLED, "", "",
5578                                        TRUE,
5579                                        G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY |
5580                                        G_PARAM_STATIC_STRINGS));
5581
5582         g_object_class_install_property
5583                 (object_class, PROP_WIRELESS_ENABLED,
5584                  g_param_spec_boolean (NM_MANAGER_WIRELESS_ENABLED, "", "",
5585                                        TRUE,
5586                                        G_PARAM_READWRITE |
5587                                        G_PARAM_CONSTRUCT |
5588                                        G_PARAM_STATIC_STRINGS));
5589
5590         g_object_class_install_property
5591                 (object_class, PROP_WIRELESS_HARDWARE_ENABLED,
5592                  g_param_spec_boolean (NM_MANAGER_WIRELESS_HARDWARE_ENABLED, "", "",
5593                                        TRUE,
5594                                        G_PARAM_READABLE |
5595                                        G_PARAM_STATIC_STRINGS));
5596
5597         g_object_class_install_property
5598                 (object_class, PROP_WWAN_ENABLED,
5599                  g_param_spec_boolean (NM_MANAGER_WWAN_ENABLED, "", "",
5600                                        TRUE,
5601                                        G_PARAM_READWRITE |
5602                                        G_PARAM_CONSTRUCT |
5603                                        G_PARAM_STATIC_STRINGS));
5604
5605         g_object_class_install_property
5606                 (object_class, PROP_WWAN_HARDWARE_ENABLED,
5607                  g_param_spec_boolean (NM_MANAGER_WWAN_HARDWARE_ENABLED, "", "",
5608                                        TRUE,
5609                                        G_PARAM_READABLE |
5610                                        G_PARAM_STATIC_STRINGS));
5611
5612         g_object_class_install_property
5613                 (object_class, PROP_WIMAX_ENABLED,
5614                  g_param_spec_boolean (NM_MANAGER_WIMAX_ENABLED, "", "",
5615                                        TRUE,
5616                                        G_PARAM_READWRITE |
5617                                        G_PARAM_STATIC_STRINGS));
5618
5619         g_object_class_install_property
5620                 (object_class, PROP_WIMAX_HARDWARE_ENABLED,
5621                  g_param_spec_boolean (NM_MANAGER_WIMAX_HARDWARE_ENABLED, "", "",
5622                                        TRUE,
5623                                        G_PARAM_READABLE |
5624                                        G_PARAM_STATIC_STRINGS));
5625
5626         g_object_class_install_property
5627                 (object_class, PROP_ACTIVE_CONNECTIONS,
5628                  g_param_spec_boxed (NM_MANAGER_ACTIVE_CONNECTIONS, "", "",
5629                                      G_TYPE_STRV,
5630                                      G_PARAM_READABLE |
5631                                      G_PARAM_STATIC_STRINGS));
5632
5633         g_object_class_install_property
5634                 (object_class, PROP_CONNECTIVITY,
5635                  g_param_spec_uint (NM_MANAGER_CONNECTIVITY, "", "",
5636                                     NM_CONNECTIVITY_UNKNOWN, NM_CONNECTIVITY_FULL, NM_CONNECTIVITY_UNKNOWN,
5637                                     G_PARAM_READABLE |
5638                                     G_PARAM_STATIC_STRINGS));
5639
5640         g_object_class_install_property
5641                 (object_class, PROP_PRIMARY_CONNECTION,
5642                  g_param_spec_string (NM_MANAGER_PRIMARY_CONNECTION, "", "",
5643                                       NULL,
5644                                       G_PARAM_READABLE |
5645                                       G_PARAM_STATIC_STRINGS));
5646
5647         g_object_class_install_property
5648                 (object_class, PROP_PRIMARY_CONNECTION_TYPE,
5649                  g_param_spec_string (NM_MANAGER_PRIMARY_CONNECTION_TYPE, "", "",
5650                                       NULL,
5651                                       G_PARAM_READABLE |
5652                                       G_PARAM_STATIC_STRINGS));
5653
5654
5655         g_object_class_install_property
5656                 (object_class, PROP_ACTIVATING_CONNECTION,
5657                  g_param_spec_string (NM_MANAGER_ACTIVATING_CONNECTION, "", "",
5658                                       NULL,
5659                                       G_PARAM_READABLE |
5660                                       G_PARAM_STATIC_STRINGS));
5661
5662         /* Hostname is not exported over D-Bus */
5663         g_object_class_install_property
5664                 (object_class, PROP_HOSTNAME,
5665                  g_param_spec_string (NM_MANAGER_HOSTNAME, "", "",
5666                                       NULL,
5667                                       G_PARAM_READABLE |
5668                                       G_PARAM_STATIC_STRINGS));
5669
5670         /* Sleeping is not exported over D-Bus */
5671         g_object_class_install_property
5672                 (object_class, PROP_SLEEPING,
5673                  g_param_spec_boolean (NM_MANAGER_SLEEPING, "", "",
5674                                        FALSE,
5675                                        G_PARAM_READABLE |
5676                                        G_PARAM_STATIC_STRINGS));
5677
5678         g_object_class_install_property
5679                 (object_class, PROP_DEVICES,
5680                  g_param_spec_boxed (NM_MANAGER_DEVICES, "", "",
5681                                      G_TYPE_STRV,
5682                                      G_PARAM_READABLE |
5683                                      G_PARAM_STATIC_STRINGS));
5684
5685         /**
5686          * NMManager:metered:
5687          *
5688          * Whether the connectivity is metered.
5689          *
5690          * Since: 1.2
5691          **/
5692         g_object_class_install_property
5693                 (object_class, PROP_METERED,
5694                  g_param_spec_uint (NM_MANAGER_METERED, "", "",
5695                                     0, G_MAXUINT32, NM_METERED_UNKNOWN,
5696                                     G_PARAM_READABLE |
5697                                     G_PARAM_STATIC_STRINGS));
5698
5699         /**
5700          * NMManager:global-dns-configuration:
5701          *
5702          * The global DNS configuration.
5703          *
5704          * Since: 1.2
5705          **/
5706         g_object_class_install_property
5707                 (object_class, PROP_GLOBAL_DNS_CONFIGURATION,
5708                  g_param_spec_variant (NM_MANAGER_GLOBAL_DNS_CONFIGURATION, "", "",
5709                                        G_VARIANT_TYPE ("a{sv}"),
5710                                        NULL,
5711                                        G_PARAM_READWRITE |
5712                                        G_PARAM_STATIC_STRINGS));
5713
5714         /**
5715          * NMManager:all-devices:
5716          *
5717          * All devices, including those that are not realized.
5718          *
5719          * Since: 1.2
5720          **/
5721         g_object_class_install_property
5722                 (object_class, PROP_ALL_DEVICES,
5723                  g_param_spec_boxed (NM_MANAGER_ALL_DEVICES, "", "",
5724                                      G_TYPE_STRV,
5725                                      G_PARAM_READABLE |
5726                                      G_PARAM_STATIC_STRINGS));
5727
5728         /* signals */
5729
5730         /* D-Bus exported; emitted only for realized devices */
5731         signals[DEVICE_ADDED] =
5732                 g_signal_new ("device-added",
5733                               G_OBJECT_CLASS_TYPE (object_class),
5734                               G_SIGNAL_RUN_FIRST,
5735                               G_STRUCT_OFFSET (NMManagerClass, device_added),
5736                               NULL, NULL, NULL,
5737                               G_TYPE_NONE, 1, NM_TYPE_DEVICE);
5738
5739         /* Emitted for both realized devices and placeholder devices */
5740         signals[INTERNAL_DEVICE_ADDED] =
5741                 g_signal_new ("internal-device-added",
5742                               G_OBJECT_CLASS_TYPE (object_class),
5743                               G_SIGNAL_RUN_FIRST, 0,
5744                               NULL, NULL, NULL,
5745                               G_TYPE_NONE, 1, G_TYPE_OBJECT);
5746
5747         /* D-Bus exported; emitted only for realized devices */
5748         signals[DEVICE_REMOVED] =
5749                 g_signal_new ("device-removed",
5750                               G_OBJECT_CLASS_TYPE (object_class),
5751                               G_SIGNAL_RUN_FIRST,
5752                               G_STRUCT_OFFSET (NMManagerClass, device_removed),
5753                               NULL, NULL, NULL,
5754                               G_TYPE_NONE, 1, NM_TYPE_DEVICE);
5755
5756         /* Emitted for both realized devices and placeholder devices */
5757         signals[INTERNAL_DEVICE_REMOVED] =
5758                 g_signal_new ("internal-device-removed",
5759                               G_OBJECT_CLASS_TYPE (object_class),
5760                               G_SIGNAL_RUN_FIRST, 0,
5761                               NULL, NULL, NULL,
5762                               G_TYPE_NONE, 1, G_TYPE_OBJECT);
5763
5764         signals[STATE_CHANGED] =
5765                 g_signal_new (NM_MANAGER_STATE_CHANGED,
5766                               G_OBJECT_CLASS_TYPE (object_class),
5767                               G_SIGNAL_RUN_FIRST,
5768                               G_STRUCT_OFFSET (NMManagerClass, state_changed),
5769                               NULL, NULL, NULL,
5770                               G_TYPE_NONE, 1, G_TYPE_UINT);
5771
5772         signals[CHECK_PERMISSIONS] =
5773                 g_signal_new ("check-permissions",
5774                               G_OBJECT_CLASS_TYPE (object_class),
5775                               G_SIGNAL_RUN_FIRST,
5776                               0, NULL, NULL, NULL,
5777                               G_TYPE_NONE, 0);
5778
5779         signals[USER_PERMISSIONS_CHANGED] =
5780                 g_signal_new ("user-permissions-changed",
5781                               G_OBJECT_CLASS_TYPE (object_class),
5782                               G_SIGNAL_RUN_FIRST,
5783                               0, NULL, NULL, NULL,
5784                               G_TYPE_NONE, 0);
5785
5786         signals[ACTIVE_CONNECTION_ADDED] =
5787                 g_signal_new (NM_MANAGER_ACTIVE_CONNECTION_ADDED,
5788                               G_OBJECT_CLASS_TYPE (object_class),
5789                               G_SIGNAL_RUN_FIRST,
5790                               0, NULL, NULL, NULL,
5791                               G_TYPE_NONE, 1, NM_TYPE_ACTIVE_CONNECTION);
5792
5793         signals[ACTIVE_CONNECTION_REMOVED] =
5794                 g_signal_new (NM_MANAGER_ACTIVE_CONNECTION_REMOVED,
5795                               G_OBJECT_CLASS_TYPE (object_class),
5796                               G_SIGNAL_RUN_FIRST,
5797                               0, NULL, NULL, NULL,
5798                               G_TYPE_NONE, 1, NM_TYPE_ACTIVE_CONNECTION);
5799
5800         signals[CONFIGURE_QUIT] =
5801                 g_signal_new (NM_MANAGER_CONFIGURE_QUIT,
5802                               G_OBJECT_CLASS_TYPE (object_class),
5803                               G_SIGNAL_RUN_FIRST,
5804                               0, NULL, NULL, NULL,
5805                               G_TYPE_NONE, 0);
5806
5807         nm_exported_object_class_add_interface (NM_EXPORTED_OBJECT_CLASS (manager_class),
5808                                                 NMDBUS_TYPE_MANAGER_SKELETON,
5809                                                 "GetDevices", impl_manager_get_devices,
5810                                                 "GetAllDevices", impl_manager_get_all_devices,
5811                                                 "GetDeviceByIpIface", impl_manager_get_device_by_ip_iface,
5812                                                 "ActivateConnection", impl_manager_activate_connection,
5813                                                 "AddAndActivateConnection", impl_manager_add_and_activate_connection,
5814                                                 "DeactivateConnection", impl_manager_deactivate_connection,
5815                                                 "Sleep", impl_manager_sleep,
5816                                                 "Enable", impl_manager_enable,
5817                                                 "GetPermissions", impl_manager_get_permissions,
5818                                                 "SetLogging", impl_manager_set_logging,
5819                                                 "GetLogging", impl_manager_get_logging,
5820                                                 "CheckConnectivity", impl_manager_check_connectivity,
5821                                                 "state", impl_manager_get_state,
5822                                                 NULL);
5823 }
5824